English Grammar大学英语语法.ppt

Check Homework 21A (P243) 21C (P245) 21D (P248) 22A (P254) 22B (P255) 22C (P255) Tag Questions(P317-319) 原则: 前否后肯 前肯后否 1.主语是-body, -one时，反意疑问句主语可以使用he/they Everybody is here, isn’t he? Nobody called me when I was out of town, did they/did he? 2.主语是-thing时，反意疑问句的主语用it. Nothing can stop China from laying claim to all Spratly Islands, can it? Something is wrong with the European population, isn’t it? 3. there be存在句中，根据实际情况而定。 There used to be an elderly lady, usedn’t/didn’t there？ There will be an IAUP triennial conference in NYC this coming June, won’t there? 4.如果陈述部分带有否定词，例如，seldom, hardly, never, rarely, few, little, nowhere, nothing等，后面反意疑问句使用肯定。 I never get drunk, do I? Hardly any students get married in inland provinces, do they? 注意:如果带有否定前缀或后缀，要被视为肯定。 She dislikes Asians, doesn’t she?She seems so careless, doesn’t she? 5. I amaren’t I? I am privileged, aren’t I? 6.否定前移的动词:suppose, think, believe, suspect, imagine etc. I suppose he is serious, isn’t he? I don’t suspect he is a burglar, is he? You think I am mistaken, don’t you? You don’t think I have made a stupid decision, do you? 7.one做主语，反意疑问句部分主语可以使用one/you. One can never be too careful, can one/you? 8.动词have: You have a Merriam Webster dictionary, don’t you? You have kept the news as a top secret, haven’t you? She doesn’t have a checking account, does she? We all had a fantastic time, didn’t we? 9. ought toshouldn’t/oughtn’t Children ought to listen to their parents, shouldn’t/oughtn’t they? 10. used to: usedn’t/didn’t The chairman used to address these issues, didn’t/usedn’t he? 11. need/dare? You need to come tomorrow, don’t you? You needn’t come tomorrow, need you? You dare not commit suicide, dare you? You don’t dare to sleep on the street, do you? 12. must? a).?must作“必须”解释，?mustnt作“不允许”解释时 They?must?clean?the?floor,?mustnt?they/neednt?they? We?must?stay?at?home,?mustnt?we? We?mustnt?be?late,?must/may?we? 2).?must表示推测时： They?must?be?playing?basketball,?mustnt?they? 但在国内的英语考试中，must表示推测时反意疑问