I. Điền thông tin thực của nhiều kiểu người khác nhau vào trong câu với "if + Present Simple + Present Simple". Hãy dùng "you" làm chủ từ của cả hai vế câu.

1.Vegetarians don't eat meat.

If you're a vegetarian, _____________________________

2. People who live in a cold country don't like hot weather.

If you live ______________________________________

3. Teachers have to work very hard.

If you're a teacher, _______________________________

4. People who do a lot of exercise stay fit and healthy.

If you _________________________________________

5. Mechanics understand engines.

If you're a ______________________________________

6. People who read newspapers know what's happening in the world.

If you __________________________________________

II. Hoàn thành những câu sau với "if + Present Simple + will/won't", sử dụng những từ trong ngoặc đơn ( ). Đôi khi bạn không cần thay đổi những từ trong ngoặc đơn.

If it rains (it/rain), we won't go (we/not/go) fishing.

1. If__________(the weather/be) beautiful tomorrow, ____________(we/drive) tothe beach.

2. If ___________ (she/send) the letter now, ____________ (they/receive) ittomorrow.

3. ____________ (Fred/be) angry if ___________ (Jack/arrive) late again.

4. ______________ (I/come) to your house if ________(I/have) enough time.

5. If ____________ (she/not/pass) this exam, ____________ (she/not/get) the job that she wants.

6. _______________ (you/learn) a lot if _____________ (you/take) this course.

7. If ____________ (I/get) a ticket, ________________(I/go) to the cinema.

8. ____________ (I/buy) that machine if _______________(it/not/cost) too much.

9. ____________ (you/run) very fast, ______________ (you/catch) the taxi.

10. __________(I/go) to the doctor's if ____________ (I/not/feel) better tomorrow.

11.______________ (they/win) this match, ___________ (they/be) the champions.

III. Hoàn thành những đoạn đối thoại sau với thì hiện tại đơn hoặc dạng "will/won't" của những từ trong ngoặc đơn ( ). Đôi khi bạn không cần thay đổi từ trong ngoặc đơn.

A: We must be at the theatre at 7 o'clock.

-----> B: Well, if we take (we/take) a bus at six o'clock, we won't be (we/not/be) late.

1. A: I'd like a magazine.

B: Well, _________ (I/buy) one for you if _________(I/go) to the shop later.

2. A: Has Jack phoned yet?

B: No, and if ________ (he/not/phone) this afternoon, _________ (I/phone) him this evening.

3. A: Is Mary there, please?

B: No, but if ________ (you/want) to leave a message,_________ (I/give) it to her.

4. A: Is Tom going to pass his exam?

B: Well, ________ (he/fail) if ________ (he/not/study) harder.

5. A: Could I have some information about this year's concerts, please?

B: Yes, if _________ (you/fill in) this form, _________(I/send) it to you in the post

IV. Hoàn thành các câu sau đây theo điều kiện loại 1 của những từ trong ( ).

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

2) He __________ (not/to understand) you if you __________ (to whisper).

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

4) If you __________ (to press) CTRL + s, you __________ (to save) the file.

5) You __________ (to cross) the Channel if you __________ (to fly) from Paris to London.

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

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

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

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

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