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BÀI TẬP:  I.Điền thông tin thựccủa nhiều kiểu người khác nhau vào trong câu với “if + Present Simple + Present Simple”. Hãydùng “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 câu sau “if + Present Simple + will/won`t”, trong ( ). khi không thay trong .  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 sau thì dạng “will/won`t” trong ( ). Đôi khi không thay trong . 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 đâytheođiều 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.