CÂU ĐIỀU KIỆN IF

Nhấn mạnh:

+ Điều kiện, giả định: IF A, B

+ Kết quả: B IF A

IF loại 0 Đưa ra những hệ - If I switch the light off, it gets Miêu tả những sự việc đã luôn đúng.
quả tất yếu cho các dark. - If he was good, he got candies
điều kiện được nêu. - As a child, if I was sad, I went
to bed.
Miêu tả những sự - If you mix water and oil, oil
việc luôn luôn floats Đưa ra những hướng dẫn, yêu cầu, đề
đúng (sự thật hiển - If you mix red and blue, you nghị bằng câu cầu khiến.
nhiên). get purple. - If there was a fire, call 114.
- - If you wanna cry, cry on my
shoulder.
IF loại 1 Giả định về việc có IF HTD, S + will/can/may/should/ Rút gọn IF loại 1:
thể xảy ra trong must,... + V0 IF adj/V3, S + will/can + V0
hiện tại/ tương lai Ex: Ex:
- If I learn a new word every - If necessary, you can call me
day, I will gain 365 words after any time. (<- If it is necessary,
a year. you can call me any time.)
- You can win if you want. - If inspired, you may improve
significantly. (<- If you are
inspired, you may improve
significantly)
IF loại 2 Giả định về việc IF QKD (V2/ed - were), S + Có thể dùng “ were to V0” để thay thể
không thể xảy ra would/could,... + V0 cho V2/ed
trong hiện tại/ Ex: Ex:
tương lai - If I won the lottery, I would - If I won the lottery, I would buy
buy a new house. a new house.
- If I were you, I would break up  If I were to win the lottery, I
with him. would buy a new house.
IF loại 3 Giả định về việc IF QKHT, S + would/could have
không thể xảy ra V3/ed
trong quá khứ Ex:
- If I had studied harder, I
wouldn’t have got bad marks.
IF loại 2 trộn 3 Giả định việc - Fortunately, if my name were
không thể xảy ra ở Trần Văn A, I would have been
hiện tại nhưng hệ called.
quả của việc đó ở
quá khứ - If my name weren’t Trần Văn
Á, I wouldn’t have been called.
IF loại 3 trộn 2 Giả định là việc - If you hadn’t clicked on this
không thể xảy ra thumbnail, you wouldn’t watch
trong quá khứ, this video now.
nhưng hệ quả ở
hiện tại.
NAME: ________________________ DATE: ________________________
GRAMMAR WORKSHEET
ZERO CONDITIONAL with:
‘IF’/‘WHEN’ + PRESENT SIMPLE
“if” / “when” clause main clause
If/When it rains, the grass grows.

main clause “if” / “when” clause

The grass grows if/when it rains.
The zero conditional is used to talk about things that are always, or generally, true; it is also
used to talk about scientific facts.

 Match the clauses below.

1. If I am late for class, (A) if they don’t eat.

2. When he stays up very late, (B) I always look left and right.

3. People get hungry (C) my teacher gets angry.

4. If you study hard, (D) when he is happy.

5. When she watches a movie, (E) I take a taxi to work.

6. When I cross the street, (F) he is very tired the next morning.

7. I can’t do my homework, (G) the librarian gets angry.

8. He always smiles (H) if you want to lose weight.

9. If I miss the bus, (I) she likes to eat popcorn.

10. When you make lots of noise, (J) when it rains.

11. Tea tastes sweet (K) I watch a funny movie.

12. You should eat less (L) he listens to music.

13. I always take my umbrella (M) you get good grades in school.

14. When I’m sad, (N) if you add some sugar.

15. When he cleans the house, (O) if I don’t have my glasses.

Permission granted to reproduce for classroom use. © www.allthingsgrammar.com

 First Conditional Exercise

Put the verb into the correct first conditional form.

1. If I __________________ (go) out tonight, I __________________ (go) to the cinema.

2. If you __________________ (get) back late, I __________________ (be) angry.
3. If we __________________ (not / see) each other tomorrow, we __________________
(see) each other next week.
4. If he __________________ (come), I __________________ (be) surprised.
5. If we __________________ (wait) here, we __________________ (be) late.
6. If we __________________ (go) on holiday this summer, we __________________ (go)
to Spain.
7. If the weather __________________ (not / improve), we __________________ (not /
have) a picnic.
8. If I __________________ (not / go) to bed early, I __________________ (be) tired
tomorrow.
9. If we __________________ (eat) all this cake, we __________________ (feel) sick.
10. If you __________________ (not / want) to go out, I __________________ (cook)
dinner at home.
11. I __________________ (come) early if you __________________ (want).
12. They __________________ (go) to the party if they __________________ (be) invited.
13. She __________________ (stay) in London if she __________________ (get) a job.
14. He __________________ (not / get) a better job if he __________________ (not / pass)
that exam.
15. I __________________ (buy) a new dress if I __________________ (have) enough
money.
16. She __________________ (cook) dinner if you __________________ (go) to the
supermarket.
17. They __________________ (go) on holiday if they __________________ (have) time.
18. We __________________ (be) late if we __________________ (not / hurry).
19. She __________________ (take) a taxi if it __________________ (rain).
20. I __________________ (not / go) if you __________________ (not / come) with me.

1 © www.perfect-english-grammar.com
May be freely copied for personal or classroom use.
EXERCISE 1 : Make the zero conditional.

For example:

(not / rain / the flowers / die)

If it doesn’t rain, the flowers die.

1. (I / wake up late / I / be late for work)

__________________________________________________
2. (my husband / cook / he / burn the food)
__________________________________________________
3. (Julie / not wear a hat / she / get sunstroke)
__________________________________________________
4. (children / not eat well / they / not be healthy)
__________________________________________________
5. (you / mix water and electricity / you / get a shock)
__________________________________________________

For example:

he / get a headache / he / use the computer too much

He gets a headache if he uses the computer too much.

6. (I / feel good the next day / I / go to bed early)

__________________________________________________
7. (lots of people / come / Jenny / have a party)
__________________________________________________
8. (she / buy expensive clothes / she / go shopping)
__________________________________________________
9. (my daughter / pass her exams / she / work hard)
__________________________________________________
10. (David / be sick / he / drink milk)
__________________________________________________

English Supplementary worksheet: P. 4: Page 3|5

Exercise 2: Make the zero conditionals.
1. If I ____________ (wake up) late, I____________ (be) late for work.
2. If my husband____________ (cook), he___________ (burn) the food.
3. If Julie____________(not/wear) a hat, she_________ (get) sunstroke.
4. If children__________(not/eat) well, they_________ (not/be) healthy.
5. If you __________ (mix) water and electricity, you _______ (get) a shock.
6. If people____________ (eat) too many sweets, they__________ (get) fat.
7. If you____________ (smoke), you____________ (get) yellow fingers.
8. If children________ (play) outside, they__________ (not/get) overweight.
9. If you____________ (heat) ice, it____________ (melt).
10. If I____________ (speak) to John, he____________ (get) annoyed.
11. I __________ (feel) good the next day if I____________ (go) to bed early.
12. Lots of people__________ (come) if Jenny____________ (have) a party.
13. She__________ (buy) expensive clothes if she__________ (go) shopping.
14. My daughter _________ (pass) her exams if she__________ (work) hard.
15. David ____________ (be) sick if he____________ (drink) milk.
16. The river____________ (freeze) if it____________ (be) very cold.
17. I _________ (like) to visit the museums if I _________ (be) in a new city.
18. I ____________ (cycle) to work if the weather ____________ (be) fine.
19. My flatmate_______ (clean) really well if she_________ (clean) the house.
20. Everybody____________ (be) grumpy if it____________ (rain) a lot.

Exercise 3: Choose the correct sentence for zero conditionals.

1. If you eat fast food, ___________________________________.

a) you will gain weight.

b) you gains weight.
c) you gain weight.
d) you gained weight.

2. If you study hard, _____________________________________.

a) you get good grades.

b) you got good grades.
c) you getting good grades.
d) you will get good grades.

3. When she works early, ___________________________________.

a) she woke up early.

b) she will wake up early.
c) she wake up early.
d) she wakes up early.

English Supplementary worksheet: P. 4: Page 4|5

 4. When the radio plays, _____________________________________.
a) it's hard to hear you speak.
b) it was hard to hear you speak.
c) it is hard to hear you spoke.
d) it's hard to hear you will speak.

5. I always wear a jacket _____________________________________.

a) when it will be cold.

b) when it is cold.
c) when it was cold.
d) when it is being cold.

Reference:
Hewings, M. 2008. Advance Grammar in Use. Cambridge University Press.
Dubai. 294 p.
Sara, B. and G. Mackie. 2007. Basic Grammar Expert. CTBS. China. 111 p.
Hewings, Martin. (2005). Advanced Grammar in Use. Dubai; Oriental Press
Vince, Michael. (2003). Elementary Language Practice. Malaysia; Macmillan
www.trueplookpanya.com
www.perfect-english-grammar.com

English Supplementary worksheet: P. 4: Page 5|5

 B1 IF-Clauses – Type 2 IF011

IF-CLAUSES – Type 2: Complete the sentences with the correct form of the verb given.

1. If I _________________ a car, I ____________________ to school. (HAVE, DRIVE)

2. If she _________________ foreign languages, she _________________ a job more easily.

(SPEAK, GET)

3. I _________________ to a lawyer if I _________________ you. (GO, BE)

4. If I _________________ the lottery, I _________________ myself for a new life. (WIN, PREPARE)

5. If I _________________ a purse on the sidewalk, I _________________ it to the lost and found

office. (FIND, TAKE)

6. If I _________________ my own car, I ____________________ to take the bus to work every day.
(HAVE, NOT HAVE)

7. Jane _________________ very happy if someone _________________ her a job. (BE, OFFER)

8. If she _________________ a mouse, she _________________. (SEE, PANIC)

9. If my dad _________________ more, we ______________________ our holidays abroad. (EARN,

SPEND)

10. She ______________________ so much if she _________________ smoking. (NOT COUGH,

STOP)

11. If I _________________ my son a lot of money, he _________________ all of it. (GIVE, SPEND)

12. I _________________ to get a better job if I _________________ a university degree. (TRY,

HAVE)

13. If you _________________ a dangerous animal in the street, what ______________________?

(SEE, YOU DO)

14. If dad _________________ harder, he ____________________ to ask his boss for more money.
(WORK, NOT HAVE)

15. I _______________ my friends more often if I _______________ more free time. (SEE, HAVE)

16. I _________________ the meat if it _________________ so salty. (EAT, NOT BE)

17. If she _________________ for more help, I __________________ her down. (ASK, NOT TURN)

18. If I _________________ her address, I _________________ her an invitation. (KNOW, SEND)

19. If he _________________ afraid of heights he ____________________ by plane. (NOT BE,

TRAVEL)

20. I _________________ more photos if the camera _________________. (TAKE, WORK)

www.english-practice.at
 Second Conditional Exercise

Put the verb into the correct tense to make the second conditional.

1. If I _________________ (be) you, I _________________ (get) a new job.

2. If he _________________ (be) younger, he _________________ (travel) more.
3. If we _________________ (not / be) friends, I _________________ (be) angry with
you.
4. If I _________________ (have) enough money, I _________________ (buy) a big
house.
5. If she _________________ (not / be) always so late, she _________________ (be)
promoted.
6. If we _________________ (win) the lottery, we _________________ (travel) the
world.
7. If you _________________ (have) a better job, we _________________ (be) able to
buy a new car
8. If I _________________ (speak) perfect English, I _________________ (have) a
good job.
9. If we _________________ (live) in Mexico, I _________________ (speak) Spanish.
10. If she _________________ (pass) the exam, she _________________ (be) able to
enter university.
11. She _________________ (be) happier if she _________________ (have) more
friends.
12. We _________________ (buy) a house if we _________________ (decide) to stay
here.
13. They _________________ (have) more money if they _________________ (not /
buy) so many clothes
14. We _________________ (come) to dinner if we _________________ (have) time.
15. She _________________ (call) him if she _________________ (know) his number.
16. They _________________ (go) to Spain on holiday if they _______________ (like)
hot weather.
17. She _________________ (pass) the exam if she _________________ (study) more.
18. I _________________ (marry) someone famous if I _________________ (be) a
movie star.

1 © www.perfect-english-grammar.com
May be freely copied for personal or classroom use.
 Third Conditionals

Put in the correct third conditional verb form.

1. If you ______________ (not / be) late, we ______________ (not / miss) the bus.
2. If she ______________ (study), she ______________ (pass) the exam.
3. If we ______________ (arrive) earlier, we ______________ (see) John.
4. If they ______________ (go) to bed early, they ______________ (not / wake) up late.
5. If he ______________ (become) a musician, he ______________ (record) a CD.
6. If she ______________ (go) to art school, she ______________ (become) a painter.
7. If I ______________ (be) born in a different country, I ______________ (learn) to
speak a different language.
8. If she ______________ (go) to university, she ______________ (study) French.
9. If we ______________ (not / go) to the party, we ______________ (not / meet) them.
10. If he ______________ (take) the job, he ______________ (not / go) travelling.
11. He ______________ (be) happier if he ______________ (stay) at home.
12. She ______________ (pass) the exam if she ______________ (study) harder.
13. We ______________ (not / get) married if we ______________ (not / go) to the same
university.
14. They ______________ (be) late if they ______________ (not / take) a taxi.
15. She ______________ (not / meet) him if she ______________ (not / come) to
London.
16. He ______________ (take) a taxi if he ______________ (have) enough money.
17. I ______________ (call) you if I ______________ (not / forget) my phone.
18. We ______________ (come) if we ______________ (be) invited.
19. She ______________ (not / do) it if she ______________ (know) you were ill.
20. He ______________ (be) on time if he ______________ (leave) earlier.

1 © www.perfect-english-grammar.com
May be freely copied for personal or classroom use.
 B1 IF-Clauses – Type 3 IF012

IF-CLAUSES – Type 3: Complete the sentences with the correct form of the verb given.

1. If I ____________________ more, I ___________________________ the exam. (STUDY, PASS)

2. Mark ___________________________ me if he ___________________________ my cell number.
(PHONE, NOT LOSE)
3. We ___________________________ a taxi if the public transport workers _____________________
on strike. (NOT TAKE, NOT BE)
4. Mom _______________________ us to the beach if it _____________________. (TAKE, NOT RAIN)
5. If I _______________________ you were coming, I ___________________________ you at the
airport. (KNOW, MEET)
6. I ___________________________ them a present if they ___________________________ me to their
wedding. (BUY, INVITE)
7. If we ___________________________ a map with us, we ___________________________ the village
in time. (TAKE, REACH)
8. If Emma ______________________ up earlier, she ___________________ the train. (GET, REACH)
9. If I ___________________________ shopping, what ______________________________? (NOT GO,
YOU EAT)
10. If you ___________________________ the fine, you ___________________________ to prison. (PAY,
BE SENT)
11. She ________________________ me if she ___________________ I was busy. (NOT VISIT, KNOW)
12. We ___________________________ to Spain if there ________________ the right flight. (FLY, BE)
13. My dad _____________________ mom if she _________________ a poor lady. (NOT MARRY, BE)
14. If the wall ___________________________ properly it ___________________________ down. (BE
BUILT, NOT BREAK)
15. If I _____________________ more careful, I ___________________________ so many mistakes. (BE,
NOT MAKE)
16. I ______________________ there in time if the weather __________________ better (ARRIVE, BE)
17. If I ______________________ more time, I ______________________ my homework. (HAVE, DO)
18. If Nina ___________________________ well, my aunt ___________________________ her to the
zoo. (BEHAVE, TAKE)
19. If I ___________________________ to the stereo, I ___________________________ the doorbell.
(NOT LISTEN, HEAR)
20. If he ________________ with us to the cinema, he __________________ himself. (COME, ENJOY)

www.english-practice.at
 CONDITIONAL SENTENCES : MIXED TYPES

Put the verbs in brackets into the correct tenses.

1.- If you ________ (be) a professional basketball player, who

_________ (you/play) for?
2.- If he _________ (not study) now, he won’t have time later.
3.- If Susan had taken the map, she ________ (not get) lost.
4.- Where would you go on holiday if you _________
(can) choose?
5.- The teacher _________ (be) angry if you didn’t do
your homework.
6.- What _______ (you/ give) me if it were my birthday
tomorrow?
7.- If we recycle more, there _________ (not be) so
much rubbish.
8.- If they had something to eat, they __________ (not be) hungry.
9.- If we _________ (hear) the weather forecast, we wouldn’t have
gone to the beach.
10.- What _________ (you/buy) if you had a credit card?
11.- If they ________ (not hurry) up, they will miss the film.
12.- If the bus ________ (not arrive) soon, we’ll be late.
13.- If they had phoned me yesterday, I _________
(give) them the news.
14.- If I _________ (be) you, I wouldn’t eat so many
sweets.
15.- We’ll go for a walk unless it ________ (rain).
16.- If the North Pole ________ (melt), the water
would flow many cities.
17.- If we ________ (know) it was Paul’s birthday, we would have
sent him a card.
18.- If you play the music too loud, you _________ (wake up) the
neighbours.
19.- My father doesn’t feel happy unless he ________ (swim) every
day.
20.- If the river had frozen, my friends and I _________
(go) skating.
21.- If people used bikes instead of cars , there _______
(not be) so much pollution.
22.- If our team had scored another goal, we _________
(win) the championship.
23.- If the waiter __________ (not serve) us soon, we’ll
have to leave.
24.- We’ll have dinner outside in the garden, unless it __________
(be) too cold
25.- When you heat wax, it ________ (melt).