2019届高三英语一轮复习---虚拟语气教学课件 (共16张PPT)

Subjunctive mood 虚拟语气 定义： 英语中的语气分为陈述语气、祈使语气、虚拟语气三类。虚拟语气用来表示说话人的主观愿望或假想，所说的是一个条件，不一定是事实，或与事实相反。虚拟语气通过谓语动词的特殊形式来表示。 ◆真实条件句 The volleyball match will be put off if it ___.　 A.will rain　 B.rains　 C.rained　 D.is rained ◆非真实条件句 1.与现在事实相反的假设。 if从句　　　　　 主句 did\were　 would (might\could\ should) +v. 　 Eg. If they were here, they would help you. B 2.与过去事实相反的假设。 if从句　　　 主句　　　　　 had +p.p.　would (might\could\ should) have+ p.p. Eg. If she had worked harder, she would have succeeded.　 　 The rice would not have been burnt if you had been more careful.　 3.表示对将来情况的主观推测（可能相反或可能性很小） if从句　　　　　　 主句 did\were　　　　　 were + to do would (might\could\ should) +v. should + do　　　　 Eg. If you succeeded\ should succeed\ were to succeed, everything would be all right. ◆混合条件句 （混合虚拟语气） 主句与从句的动作发生在不同的时间，这时主、从句谓语动词的虚拟语气形式因时间不同而不同，这叫做混合条件句。例如： If you had asked him yesterday, you would know what to do now. （从句