高中英语 1.2 Grammar课件 新人教版选修6.ppt

语法指南12虚拟语气(1)虚拟语气表示说的话不是事实,而是一种愿望、建议或者与事实相反的假设等虚拟语气主要用于if条件状语从句,也可用于主语从句、表语从句、宾语从句等语法指南121.虚拟语气在if条件从句中的用法本单元只涉及与现在和将来的事实相反的条件句,其谓语动词的形式如下: 语法指南12If I were you,I would not be so proud.如果我是你,我不会如此骄傲If he had time,he would attend the meeting.如果他有时间,他会参加会议的If it were to/should rain tomorrow,the meeting would be put off.如果明天下雨,会议将被延期If there should be a fire,what would we do?万一发生火灾,我们该怎么办?注意:条件从句有时不表现出来,只暗含在上下文或短语中如:Without water,there would be no life.如果没有水,就不会有生命语法指南122.虚拟语气在宾语从句中的用法(1)在动词wish后的宾语从句中,谓语常用一般过去时来表示现在的情况,用过去完成时表示过去的情况,用should/would/could/might+动词原形来表示将来的情况。

I wish I had a car.我要是有辆小汽车该有多好啊I wish I had finished the work yesterday.我要是昨天把这项工作做完就好了He wishes he could understand Chinese someday.他希望某天能懂中文语法指南12(2)在would rather后的宾语从句中,谓语常用一般过去时来表示现在或将来的情况,用过去完成时表示过去的情况I would rather he came tomorrow than today.我宁愿他明天来而不是今天I would rather you had not told me about it.我倒愿意你没告诉我这件事语法指南12(3)在demand,suggest,order,propose,request,command,insist 等动词后的宾语从句中,谓语通常用￿“should+动词原形”来表示愿望、建议、命令、请求等,其中should可省略He suggested that the meeting (should) be put off.他建议推迟召开这次会议。

He insisted that you (should) be seated there.他坚决要求你坐在那儿注意:suggest,insist分别表示“表明,暗示”和“坚持认为,坚持说”的时候,不用虚拟语气如:His pale face suggests that he is in poor health.他脸色苍白,表明他的健康状况不佳She insisted that she had been wronged.她坚持认为她被冤枉了。