Chuyên đề câu điều kiện

Conditional sentences TYPE IF CLAUSE MAIN CLAUSE 3. Unreal in the past Past perfect Would/ could/ might + have +V -ed/P2 1. Real in the present/ future Present simple Will/ can/ may + V bare – inf 2. Unreal in the present Past simple Would/ could/ might + V bare -inf 2 1 3 Put the verbs in the correct form 1.If I made a promise, I (keep) _________ it. 2.If we had known your address, we (write) _______________ you a letter. 3.If you come here in Spring, you (have)_______ a chance to go to the village fair. 4.I (not do)__________ that if I (be) ____ you. 5.You were late last night. If you (arrive) _________ ten minutes earlier, you (get) ____________ a seat. 6. 6. Can I borrow the dictionary if he (finish) _______ it? would keep would have written will have would not do were had arrived would have got finishes I.Tenses Simple present in the main clause: Ex: If you heat ice, it turns to water. Progressive tense: Ex: If I were sitting on the car, I would feel carsick. Perfect tense: Ex: If I have finished the letter, I’ll post it. Be going to/ have to/ .… Ex: If you are going to leave, I won’t say anything.  ‘Should in the conditional clause:’ Ex: if she should agree to do it, please call me. II. Replace “IF” Unless (trõ khi, nÕu kh«ng) = If not…… Ex: My wife will be very upset if I don’t get back tomorrow. -> My wife will be very upset unless I get back tomorrow. MÖnh ®Ò Unless lu«n ë thÓ kh¼ng ®Þnh.  Kh«ng dïng th× t$¬ng lai trong mÖnh ®Ò Unless Provided/ Providing that, on condition that, as long as (miÔn lµ), suppose (gi¶ sö nh$), only if (chØ víi ®iÒu kiÖn lµ), but for + noun(nÕu kh«ng) .… Ex: 1, I ll do all thing ’ as long as she is happy. 2, Provided that you know her address, will you help me to give her this book? II. Replace “IF” Inversion: Chỉ dùng đảo ngữ trong mệnh đề IF Không dùng dạng rút gọn trong mệnh đề đảo ngữ phủ định Ex: Hadnt he asked me, hed have asked you Had he not asked me, hed have asked you . II. Replace IF Exercise: Rewrite these sentences beginning the given word: 1. If Tom had understood what I said, he’d have come back. (Had……….) ->Had Tom understood what I said, he’d have come back. 2. If he meets Mary, he will call you. (Should………) ->Should he meet Mary, I will call you. 3. If I had much money, I would buy that village. ( Were………….) ->Were I to have much money, I would buy that village. III.Mixed condition Situation: I didn’t eat breakfast this morning, I am hungry now. (If… ) -> If I had eaten breakfast this morning, I would not be hungry now. (type 3 & type 2) Situation: He has a test to do today, so he couldn’t go out for picnic with his friends yesterday. (If… ) -> If he didn’t have a test to do today, he could have gone out for picnic with his friends yesterday. (type 2 & type 3) . her this book? II. Replace “IF” Inversion: Chỉ dùng đảo ngữ trong mệnh đề IF Không dùng dạng rút gọn trong mệnh đề đảo ngữ phủ định Ex: Hadnt he asked me, hed have asked you Had he not