2014-2015学年高二英语同步课件：Unit2《Poems》4（人教版选修6）.pptVIP

* Unit 2　Poems 　　　　　　　　　　　 　　　　　 第四学时　Grammar 2014-2015学年高二英语同步课件：Unit2《Poems》4（人教版选修6） 虚拟语气在主从复合句中的用法 1．虚拟语气在主语从句中的用法 (1)在It is important(strange，natural，necessary) that...句型里，that所引导的主语从句中的谓语动词常用(should)＋动词原形。 It is important that every member (should) know these rules. 重要的是每个成员都(必须)知道这些规则。 It is necessary that he (should)_be sent there at once. 有必要马上派他到那里去。 It is very strange that she (should)_have left without saying goodbye. 她不辞而别，真让人奇怪。 (2)It is demanded/required/suggested...＋that-clause，从句谓语用“should＋动词原形”。 It is decided (has been decided) that the meeting (should) be postponed(延期)till tomorrow. It was required that each student (should)_bring enough food on the trip. 2．虚拟语气在宾语从句中的用法 在suggest(建议)，propose(建议)，demand(要求/需要), request(要求/请求)，desire(请求/期望)，order(命令)，command(命令)，insist(坚持)等动词后的宾语从句中，谓语动词用“( should )＋动词原形”，表建议、要求、命令。 Professor Wang suggested that we (should)not overuse our eyes and take more outdoor activities. 王教授建议我们不要过度用眼及多参加室外活动。 提示：wish＋宾语从句：表示不能实现的愿望或美好的愿望，表示“但愿……；……就好了；可惜……；……多好”。 (1)表示现在不能实现的愿望，从句的谓语动词用过去式，表虚拟语气。 I wish (that) I were_young again. 要是我能返老还童就好了。 How I wish I were ten years younger. 我多么希望自己能年轻10岁。 (2)表示过去不能实现的愿望，从句的谓语动词用had done/would (could)＋have done。 We wish we had_arrived there two hours earlier. 我们要是早两个小时到达那儿就好了。 I wish I had_met him yesterday. 真希望昨天遇见他。 (3)表示将来不能实现的愿望，从句的谓语动词用would (could)＋动词原形/were to＋动词原形。 I wish I could_fly to the moon one day. 但愿将来某一天我能飞上月球。 I wish it should_be fine tomorrow. 我希望明天是晴天。 3．虚拟语气在同位语从句中的用法 demand，suggestion，proposal等名词带有同位语从句时，其谓语动词要用虚拟语气，即 (should)＋动词原形。 The suggestion that_the_plan_(should)_be_delayed(延迟) will be discussed tomorrow. 推迟那项计划的建议将在明天讨论。 4．虚拟语气在状语从句中的用法 由as if或as though引导的状语从句表示比较或方式。 He treats me as if I were a stranger. 他把我当陌生人。 She talked about the film as if she had_really_seen it. 她谈论那部电影的神情就好像她真的看过一样。 结论：表示与现在相反的情况，从句谓语形式为动词的过去式(be用were); 表示与过去相反的情况，从句中的谓语动词用“had＋过去分词”。 5．虚拟语气在表语从句中的用法 My demand is that you should_get_up at six. 我的要求是你应六点起床。 His order is that all of us