If引导的虚拟语气.ppt

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1、 如果上天能够再给我一次机会如果上天能够再给我一次机会,我会我会对那个女孩说：对那个女孩说：“我爱你我爱你” 。 If I had one more chance, I would say to the girl “I love you”.虚拟语气定义： 用来表示说的话不是事实，或者是不可能发生的情况，而是一种愿望，建议，假设的语气叫虚拟语气。 If I had one more chance, I would go to university again.if引导的引导的虚拟虚拟条件句条件句If she invited me, I would go to the party. 假如她邀请我参

2、加聚会，我就去。If she had invited me yesterday, I would have gone to the party. 假如她昨天邀请我参加聚会，我就去了。If she should invite me tomorrow, I would go to the part如果她明天邀请我参加聚会，我会去的。if条件句中条件句中的谓语动词的谓语动词 主句主句的谓语动词的谓语动词 动词用过去形式动词用过去形式(be动词用动词用were) should/ would/ could/ might + 动词原形动词原形1. 对现在的虚拟对现在的虚拟 If I were you, I

3、 would/ could/ should/ might do that.If I had money, I would/ could/ should/ might buy that house.if条件句中的谓语动词条件句中的谓语动词 主句的谓语动词主句的谓语动词 had doneshould/ would/ could/ might + have done2. 对过去的虚拟对过去的虚拟If I had known that yesterday, I would/ could/ should/ might have told you. If she hadnt eaten so much c

4、andy, she wouldnt have had her teeth pulled out. if条件句中的谓语动词条件句中的谓语动词 主句的谓语动词主句的谓语动词 1.动词过去式动词过去式(be动词动词用用were) 2. should+动词原形动词原形3. were to+动词原形动词原形should/ would/ could/ might+ 动词原形动词原形 3. 与将来事实相反的假设与将来事实相反的假设If it should rain, the crops should/ would/ could/ might be saved. If Ibecamewere to becom

5、e should becomea scientist in the future,对将来情况的虚拟：对将来情况的虚拟：I would try to find a cure for cancer. 时间时间 if 条件句谓语条件句谓语 主句主句 谓语谓语现在现在 过去过去 将来将来Fill in the blankswould/could/should/might+动词原形动词原形动词过去式动词过去式(be动词用动词用were)had+过去分词过去分词would/could/should/might + have+过去分词过去分词would/could/should/might+动词原形动词原形

6、1. 动词过去式动词过去式2. should+动词原形动词原形3. were to+动词原形动词原形1.If the world-war broke out again, what _(happen) to our people on earth?2. What _(happen) if you _ (get up) too late tomorrow?3. If I _ (meet) you yesterday, we _ (go) to the concert together.were to get up/ got up/ should get upwould happenhad met

7、would have gonewould happen对现在假设对现在假设对将来假设对将来假设对过去假设对过去假设l1. If I _ a map, I would lend it to you.l a. have b. had c. should ld. wouldl2. Alan _ the party if he had gone to London.l a. would have missed b. had missed lc. would miss d. missed1. The teacher suggested that we (should) have a rest.2. It

8、 is suggested that he (should) come to see us.表语从句表语从句宾语从句宾语从句3. My suggestion is that we (should) read English newspapers to improve our English.主语从句主语从句3. My suggestion that we (should) read English newspapers is very important.同位语从句同位语从句在表示在表示“坚持坚持”、“命令命令”、“建议建议”、“要求要求”等后的宾语从句要用虚拟语气。这类动词等后的宾语从句要用虚拟语气。这类动词有人归纳为有人归纳为:一个坚持一个坚持 (insist)、两个命令两个命令 (order, command)、三个建议三个建议 (advise, suggest, propose)、四个要求四个要求 (demand, require, request, ask)这类虚拟语气由这类虚拟语气由“should+动词原形动词原形”构成，构成，