北师大版高中英语选修八第9讲：Unit24 Society-语法篇（学生版）.docxVIP

Unit 24 Society 语法篇 ____________________________________________________________________________________________________________________________________________________________________1、虚拟语气—在书面语中2、虚拟语气—在口语，非正式用语中虚拟语气—在书面语中用“should/ought to+动词原形”的形式。We should go out foe a walk. You ought to study hard for your future. 温馨提示：should和ought to都表示“应该”，一般可以互换使用，但是should含有“按我的想法应该…”的意思；ought to语气强烈，强调“有责任，义务或按道理应该…”的意思。有些动词后跟宾语从句时，从句的谓语用“should+动词原形”，should可以省略。此类动词可以用“一，二，三，四法”进行记忆。①一个“坚持”，即insist。He insisted that we (should) attend the meeting. ②两个“命令”，即order和command。The boss ordered all the workers (should) be there on time. ③三个“建议”，即suggest, advise, recommend。He suggested that we (should) go out for a walk.④四个“要求”，即demand, require, request和desire。I demanded that he (should) answer me as soon as possible. 注意：当suggest表示“暗示，表明”：时，insist表示“坚持说”时，后面的从句不用虚拟语气，用陈述语气。在“It’s desired/ suggested/ required that…”句型中，后面的主语从句的谓语动词用“should+动词原形”，should可以省略。It is desired that we (should) get everything ready by tonight.在suggestion, proposal, order, advice, demand等名词后接的表语从句或同位语从句中，谓语动词用“should+动词原形”，should可以省略。There’s no suggestion that you (should) resign.在“It is (high) time that…”这一特殊句式中，谓语动词用过去式或should do的形式表示虚拟，should不能省略。It’s time that we went home.虚拟语气—在口语，非正式用语中用if I were you, I’d…句型，语气更委婉，含蓄。If I were you, I’d go with them.用I think you should /ought to do…句型，语气稍强。I think you should buy him a gift.如果要强硬的批评，责备某人或提出建议，可用下列句型：①It’s about/ high time that…It’s about time you got down to reading.②You’d better do sth. / You’d better not do sth. You’d better give him some advice on it.③I’d rather sb. did sth. I’d rather you came tonight.例 1. You _____ trust an online shop just because it has a beautifully-designed website.shouldn’tB. mustn’tC. couldn’t D. needn’t 例 2. Eye doctors recommended that a child’s first eye exam _____ at the age of six months old.wasB. beC. wereD. is例3. We _______ back in the hotel now if you didn’t lose the map.areB. wereC. will beD. would be例4.（2015北京大兴高三一模） H