¦ Cho dạng đúng của động từ trong ngoặc

1. If It (not rain) ………………today, they ( go)…………camping.

2. Peter (play) …………….…soccer with his friends if he (have) …….free time.

3. If Jane (study) ………..harder, she (pass) …………….the entrance exams.

4. David (come and see) ……………….his girlfriend if he (not have to/work) ……..on a night shift.

5. This machine (break) ……………..down if it (not use) ……..quite often.

6. Helen (come)…………….... to class late if she (not run)…………….fast enough.

7. Giang’s parents (be)………………..very happy if she (get) ……….good marks at school.

8. Thomas (visit) ……………...Ha Long Bay if he (earn) ……enough money.

9. If you (brush) …………….your teeth regularly, you ( not have)……….a toothache.

21.  10. If Carol (have) …………..…….enough qualifications for the job she applied, she ( get) ……..

22.  2/ She may be late if she (not hurry) ________.

23.  3/ Tell him to ring me if you (see) ________ him. 

24.     4/ If you are kind to me, I (be) _______ good to you.

25.  5/ If he (give) _______ up smoking, as his doctor orders, he will be soon well again.

26.  7/ You (not pass) ________  your driving test unless you drive more carefully.

27.  8/ He’ll be ill if he (not stop) ________ worrying so much.-> unless……………………………………………..

28.  9/ We’ll go to the beach tomorrow if it ( be) ________ nice.

29.  10/ Jane never( get) ________there on time if the train leaves soon.->

I. Viết lại các câu sao cho nghĩa không đổi, bắt đầu bằng cụm từ cho sẵn.

1.    If he has free time, he’ll play tennis.→ Should ……………………………………………………..

2.    If she comes early, we’ll start.→ Should ……………………………………………………….

3.    They would answer me if they were here.→ Were ………………………………………

4.    If I learnt Russian, I would read a Russian book.→ Were …………………………………

5.    If they lived in Australia now, they would go swimming.→ Were ……………………………

6.    If it had rained yesterday, we would have stayed at home.

→ Had ………………………………………………………………………

7.    If he had trained hard, he would have won the match.→ Had ……………………………

8.    If she were not shy, she would have a good time at the party.

→ Were ……………………………………………………………………..

9.    If I hadn’t seen it, I wouldn’t have believed it.→ Had …………………………

10. If it hadn't been for the traffic, I wouldn't have been late.→ Had it ……………………………

11. Without your help, I wouldn’t pass the exam.  →  If you …………………………

But for your help, I would die.→  If it ……………………………………

Ex8: Cho dạng đúng của động từ trong ngoặc

1. If It (not rain) ………today, they ( go)…………camping.

2. Peter (play) ………soccer with his friends if he (have) …….free time.

3. If Jane (study) ………..harder, she (pass) …………….the entrance exams. 4. David (come and see) ……………….his girlfriend if he (not have to/work) ……..on a night shift.

5. This machine (break) ……..down if it (not use) ……..quite often.

6. Helen (come)…….. to class late if she (not run)…………….fast enough.

7. Giang’s parents (be)……..very happy if she (get) ……….good marks at school.

8. Thomas (visit) …….Ha Long Bay if he (earn) ……enough money.

9. If you (brush) ….your teeth regularly, you ( not have)……….a toothache. 10. If Carol (have)….enough qualifications for the job she applied, she (get).... it.

Ex9: Bài tập biến đổi Unless = if......not.

1. If Andrew is not lazy, he will pass the final examination. (unless)

→..........................................................................................

2. John will not catch the train unless he runs more quickly. (If)

→..........................................................................................

3. The tree will die if it isn’t watered every day. (unless)

→ ..........................................................................................

4. Life won’t be very easy if we don’t earn lots of money. (unless)

→..........................................................................................

5. If you don’t practice more often, your English won’t be better.

→ ..........................................................................................

6. Jack will be dismissed if he doesn’t try to work harder.

→..........................................................................................

Ex10: Thành lập câu điều kiện 1 dựa vào các tình huống cụ thể sau.

1. Work harder or you will lose your job.

→............................................................2. Pay attention to the teacher or you won’t understand the lessons.

→..........................................................................................3. Go to bed early or you can’t get up early the next morning.

→..........................................................................................4. Save money now or you will be in debt in the future.

→..........................................................................................5. Read more referent books if you want to win a place at university.

→..........................................................................................6. Driving more carefully or you will have an accident.

→..........................................................................................7. Brush your teeth often in order not to get toothache.

→..........................................................................................8. Listen carefully or you won’t know what to do.

→..........................................................................................

Put the verbs in correct form of conditional sentence type 1:

1.   If he (be) __________ late, we (go) __________ without him.

2.   If she (need) _____________ computer, her brother (give) __________ her his computer.

3.   If we (not/ have) ________________ time this afternoon, we (meet) __________ tomorrow.

4.   He (talk) ______________ to her if you (not/ want) _________________ to do it.

5.   You (not/ win) ________________ the game if you (not/ know) ____________________   the rules.

6.   If you (speak) __________ English, you (get) ___________________ along with them perfectly.

7.   If she (come) __________ to see us, we (go) _________________ to the zoo.

8.   I (take) _____________ the bus home if my father (not/ pick) _____________________ me up.

9.   If you (not/ ask) _____________________, he (not help) __________ you.

10.  I (stay) ________________ at home if it (not / rain) _____________.

11. If I ________________ (go) out tonight, I ________________ (go) to the cinema.

12. If you ________________ (get) back late, I ________________ (be) angry.

13. If we ________________ (not/see) each other tomorrow, we ________________ (see) each other next week.

14. If he ________________ (come) , I ________________ (be) surprised.

15. If we ________________ (wait) here, we ________________ (be) late.

Exercise 1. Put the verbs in brackets in the correct form of conditional sentence type 1.

1. If we _____________ (send) an invitation, our friends _____________ (come) to our party.

2. He _____________ (not/ understand) you if you _____________ (whisper).

3. They _____________ (not/ survive) in the desert if they _____________ (not/ take) extra water with them.

4. If you _____________ (press) CTRL + S, you _____________ (save) the file. 5. You _____________ (cross) the Channel if you _____________ (fly) from Paris to London.

6. Fred _____________ (answer) the phone if his wife _____________ (have) a bath.

7. If Claire _____________ (wear) this dress at the party, our guests _____________ (not/ stay) any longer.

8. If I _____________ (touch) this snake, my girlfriend _____________ (not/ scream).

9. She _____________ (forget) to pick you up if you _____________ (not/ phone) her.

10. I _____________ (remember) you if you _____________ (give) me a photo.

Exercise 2. Put the verbs in brackets in the correct form of conditional sentence type 1.

1. If I _____________ (study) hard, I _____________ (improve) my English.

2. Theresa _____________ (go) to Japan if she _____________ (get) a cheap flight.

3. If her boyfriend _____________ (not call) today, she _____________ (leave) him.

4. If the phone _____________ (ring), _____________ (you/answer) it? 5. What _____________ (you/do) if you _____________ (not find) your wallet?

6. He _____________ (find) a part time job if he _____________ (keep) looking.

7. If you _____________ (feel) unwell tomorrow, _____________ (take) a rest.

8. If they _____________ (not tell) us, we _____________ (keep) asking. 9. _____________ (you/let) me go if I _____________ (promise) to come back early?

10. He _____________ (eat) some popcorn if he _____________ (feel) hungry.

Exercise 3. Put the verbs in brackets in the correct form of conditional sentence type 1.

1. If I _____________ (study), I _____________ (pass) the exams.

2. If the Sun _____________ (shine), we _____________ (walk) to the town.

3. If he _____________ (have) a temperature, he _____________ (see) the doctor.

4. If my friends _____________ (come), I _____________ (be) very happy.

5. If she _____________ (earn) a lot of money, she _____________ (fly) to New York.

6. If we _____________ (travel) to London, we _____________ (visit) the museums.

7. If you _____________ (wear) sandals in the mountains, you _____________ (slip) on the rocks.

8. If Rita _____________ (forget) her homework, the teacher _____________ (give) her a low mark.

9. If they _____________ (go) to the disco, they _____________ (listen) to loud music.

10. If you _____________ (wait) a minute, I _____________ (ask) my parents.

Exercise 4. Identify the one underlined word or phrase that must be changed to make the sentence correct:

1. If (A) someone came (B) into the store, smile (C) and say, “May (D) I help you?”

2. If (A) you do not understand (B) what were written (C) in the book, you could ask (D) Mr. Pike.

3. If (A) there isn't (B) enough food (C), we couldn't continue (D) our journey.

4. If (A) anyone will phone (B), tell (C) them I'll be (D) back at 11:00.

5. I will come (A) to meet Mr. Pike and tell him about(B) your problems if (C) you didn't solve (D) them.

I. Supply the correct word forms, using Conditional Sentences Type 1 & 2:

1. If I (not have) _______________ enough money , I will not buy this book.

2. If Peter ________________ (not have) a typewriter, he can not type it.

3. If I knew her address, I ________________ (tell) you.

4. You could get better grades if you ____________ (attend) class regularly.

5. If I ____________ (know) his telephone number, I would give it to you.

6. If you arrived late, you _________________ (not get) a seat.

7. If Jenny ____________ (work) more slowly, she will not make so many mistakes.

8. I would not drink that wine if I ____________ (be) you.

9. If I find a cheap room, I ______________ (stay) for 3 weeks.

10. You (not understand) _________________________ if you do not pay attention to the lesson.

VII.Complete the conditional sentences with will and the correct form of the verbs in brackets.
1.If it (rain)  tomorrow, we (not go)  to the zoo
2.If it (be)  a nice day, I (have)  lunch in the park.
3.If you (go)  camping in the summer, I (go)  with you./ 
4.He (miss)  the bus if he (not leave)  now
5.If I (see)  Kevin, I (tell)  him you called.
6.We (be)  late if we (not hurry) ./ 
7.If it (not rain)  tomorrow, we (go)  to the beach
8.We (be)  early if we (leave)  now.

Exercise 6: Put the verbs in brackets: Conditional sentence type I or type II. (2)

      1.   If Tracy had a mobile phone, she (phone) ............................ all her friends.

      2.   I will be very angry with Nick if he (forget) ............................ my CD again.

      3.   If the boys win this match, their coach (invite) ............................ them to a barbecue.

      4.   If you (not/ read) ............................ these articles, you will not know the facts about Africa.

      5.   You (get) ............................ very wet if you walked in this rain.

      6.   The engine (not/ start) ............................ if Ben connected these two cables.

      7.   If he (have) ............................ time, he will buy her some sweets.

      8.   Maria would play in the school orchestra if she (practice) ............................ the trumpet more often.

      9.   We (not/ fetch) ............................ something to drink if Jim does not bring some sandwiches.

            10.       If he (carry) ............................ the rucksack, I would pull the suitcase

Exercise 5 : Put the verbs in brackets into the correct form in conditional type 1

1/ I (look) for your note book and if I (find) it I (give) you a ring.

2/ If he (be) late, we (go) without him.

3/ If you (come) late, they (not let ) you in.

4/ If we (work ) all night we (finish) in time.

5/ Tell him to take his bike inside. If he (leave) it outside, someone (steal) it.

6/ If he (eat) all that he (be) ill.

7/ I you (not go) away, I (send) for the police.

8/ We (be) very angry if he (make) more mistakes.

9/ Wait until I (be) ready.

10/ The meeting (start) when everybody arrives.

11/ Let's phone Mandy now before it (be) too late.

12/ If he (not know) what to do he'll ask his mum.