Unit 2 – G9: Worksheet 1
Conditional sentences (Câu điều kiện)
I, Câu điều kiện loại 1 (First conditionals or Real conditionals)
+ Dạng thức: If-clause (S + Present simple), Main clause (S + Simple future – will / will not /
won’t)
+ Cách sử dụng: dùng để diễn tả kết quả tất yếu của 1 hành động hoặc các giả thiết có thể được thực
hiện ở hiện tại và tương lai.
Ex: - if I find the key I’ll give it to you - I won’t go out if it rains
- If he runs he’ll get there in time - the cat will scratch you if you pull her tail
+ Các biến thể của câu điều kiện loại 1:
1, If -clause (S + hiện tại đơn) , main clause ( S+ hiện tại đơn) – diễn tả 1 sự thật hiển nhiên
Ex: - If you heat ice it turns into water.
2, If-clause ( S + hiện tại đơn) , main clause ( S + modal verb…….)
Ex: if I learn harder I can get good marks.
3, If-clause (S + hiện tại đơn) + main clause ( câu mệnh lệnh)
Ex: If you meet Susan, tell her to call me.
4, Unless…. ( = if….not; except if): trừ phi : - Unless + clause (S + hiện tại đơn), main clause ( S +
tương lai đơn hoặc câu mệnh lệnh)
Ex: - Don’t tell Sue what I said unless she asks you.
− we’ll be late unless we hurry up.
− You won’t pass the exam unless you work much harder.
5, As long as / So long as / Provided (that) / Providing (that) + Clause (hiện tại đơn), Main
clause (hiện tại đơn / tương lai đơn / modal verbs): miễn là……
Ex: - You can use my car as long as you drive carefully
− We are playing tennis provided that it’s not raining
− Providing that you study hard you’ll pass your exam.
− As long as you want me to stay I won’t leave you.
− Provided that you go now you can catch the train
• Lưu ý: - WHEN có thể dùng thay cho IF: - When he comes, we can go
- CAN, MAY, MUST, OUGHT TO, SHOULD, HAVE TO, NEED TO có thể dùng thay cho
WILL / SHALL: - if he fails the exams, he must attend summer couse.

1, If you read in bad light, you (ruin)………………your eyes.
2, If he didn’t smoke so much he (get)…………………rid of his cough.
3, If my sister (finish)……………………work early, she will go home.
4, If you (keep)……………… driving carelessly, you (have) ……………………an accident.
5, Someone (steal)…………………….your car if you leave it unlocked.
6, if you (come)………………….late, I (let) ……………… you in.
7, Don’t blame me if the tin-opener (be)………… broken.
8, If he (leave)………………at 6 o’clock, I (ask)……………… him to give me a lift.
9, It’s too bad that it’s snowing. If it (not snow)………………… , we (go)…………… for a drive.
10, I am very tired. Otherwise, I (go) ………………… to the party with you tonight.
III, Give the correct form of the verbs in brackets. Use these modals in the main clause instead
of will: can, could, may, might, can’t, should, ought to, or must.
1, If you (be)……… still ill tomorrow, you (stay)…………………at home.
2, If you (finish)……… work early, you (come)……………… to have a drink with us.
3, If she (have)………….too much too do, she (ask)………………someone to help her.
4, If he (not come)……………….tonight, he (come)…………………next week.
5, If he (only just arrive)……………………………., he (hear)……………… the news.
6, If they (wait)………………for longer than an hour now, they (get)……………….impatient.
7, If we (not go)………………next week, we (manage)………………… to go the week after.
8, If you (play) ………… a musical instrument, you (help)……………….with he school orchestra.
9, If they (have)………… the right qualifications, they (apply)………… for better jobs.
10, If she (have)…………some lessons, she (improve)………………….her performance.
IV, Rewrite these sentences with the same meaning.
1, You can’t visit France unless you get a visa.
- If you……………………………………………………………………………………………………
2, If you crash my car, I’ll never forgive you
- Don’t……………………………………………………………………………………………………
3, My number isn’t in the directory so people don’t ring me up.
- If………………………………………………………………………………………………………….
4, John is fat because he eats so many chips.

- They must have done it  It must have been done
- They might do it  It might be done.
- They ought to have done it  It ought to have been done.
- They have to do it.  It has to be done.
- They used to do it  It used to be done.
- they would have done it  It would have been done
- They should do it  It should be done.
- They could have done it  It could have been done.
- They need to do it ? It needs to be done.
E. not……anything; not…… anyone; not anybody  Nothing… ; No one…….: Nobody…
Practice
I, Change these sentences into passive form.
1. Most people here have seen that film for several times.
……………………………………………………………………………………………
2. I saw him fall down. -……………………………………………….…………………………………
3. The doctor is taking care of the patients now. - ……………………………………………………
4. I saw you while you’re driving a car. - …………………………………………………………………
5. Her mother called a doctor when she was ill.
……………………………………………………………………………………………
6. No students are doing the exercises in the classroom -…………………………………………………
7. I’ll wait for you outside your office.
8. She didn’t do her homework yesterday. - ……………………………………………………………
9. People don’t study English in a short time. -………………….………………………………………
10. People grow rice in tropical countries. -…………….…………………………………………………
11. I couldn’t see her at school. - …………………………………………………………………………
12. We haven’t written to him since 1990 ………………………………………………………………
13. Nobody will help you with that work. - … …………………………………………………………
14. Does she invite you to her birthday party? - …………… …………………………………………
15. Mrs. Smith can lend you her book after her friend returns it to her.
……………………………………………………………………………………………

4, They have given women in most countries in the world the right to vote.
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
5, They paid me a lot of money to do the job.
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
Unit 2 – G9: Worksheet 2
I, Choose a word that has different stress pattern.
1, climate / campus/ control / capture 2, exhibition / precaution / position / selection
3, encouragement / economic / energetic / disappointment
4, minority / priority / necessary / facility 5, despite / dentist / destroy / describe
II, Choose the best answer to complete these sentences.
1, The President made a wonderful ………(message / talk / lecture / speech)
2, Would you be…….to hold the door open? (too kind / kind enough / as kind / so kind)
3, Children would work hard if the lessons are……… (interest / interests / interesting / interested)
4, The lights …….out and we were left in the darkness. (turned / went / put / have)
5, The meeting will start ……… eight o’clock tomorrow morning. (at / in / on /during)
6, My brother can’t plat the piano and ………(either can I / neither can I / neither I can’t / I can’t too)
7, The opposite word of generous is ………(poor / unhappy / mean / boring)
8, Finally means …………(at last / easily / at first / lately)
9, A customer is a person who………(sells / buys / acts / prays)
10, “When did your pen pal arrive? – “……….” (Since a week / In 5 days / For 2 days / Last Monday)
III, Find and correct mistakes.
1, Would you mind to open the window for me?
2, The camera which you bought is very different than me.
3, I’d like buying a new dictionary but I don’t have enough money.
4, My brother said that he is leaving for the capital the next day.
5, Lan’s sister plays badminton more better than she does.
6, Last Tuesday Mr. Hoang didn’t go to work because his illness.
7, How many sugar do I need to make a cake?