(共15张PPT)
虚拟语气
目录
contents
虚拟语气在非真实条件句中的运用
1
虚拟语气在宾语从句中的运用
2
虚拟语气在主语从句、表语从句和同位语从句中的运用
3
虚拟语气在含蓄条件句中的用法
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错综条件句的虚拟语气
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行业PPT模板http://www./hangye/
6
特殊句型中的虚拟语气
一、虚拟语气在非真实条件句中的运用
情况 if从句 主句
与现在事实相反 动词过去式(be动词用were) would/could/should/might+动词原形
与过去事实相反 had+过去分词
would/could/should/might+动词原形
与将来事实相反 动词过去式
would/could/should/might+动词原形
should+动词原形
were to+动词原形
★If I were you,I would seize the chance to go abroad.
★If he had taken my advice,you would not have failed in the exam.
★If he should not come tomorrow,we would put off the meeting till next monday.
二、虚拟语气在宾语从句中的运用
72%
95%
63%
(1)wish后的宾语从句中用虚拟语气,表示一种不可能实现的愿望
与现在事实相反 wish+从句主语+动词过去式(be动词用were)
与过去事实相反 wish+从句主语+had+过去分词
与将来情况相反 wish+从句主语+would/could+动词原形
I wish(that) I were a bird and could fly freely in the sky.
I would rather you hadn’t told me about that.
一坚持:insist
二命令:order,command
三建议:suggest,advise,propose,recommend
四要求:require,request,demand,desire,urge
(2)would rather后的宾语从句用一般过去时表示与现在或将来事实相反的事实,用过去完成时表示与过去相反的事实。
(3)表示“建议、命令、要求”等动词后的宾语从句中需用虚拟语气,从句谓语动词用(should+)动词原形。常见的动词有:
三、虚拟语气在主语从句、表语从句和同位语从句中的运用
(1)在 “It is necessary/important/strange/suggested+that从句”中,that引导的主语从句要用虚拟语气,谓语动词用“should+动词原形
It is important/necessary that we (should) think before we decide.
三、虚拟语气在主语从句、表语从句和同位语从句中的运用
(2)在表示 “建议、命令、主张”等名词后面的表语从句和同位语从句中用虚拟语气,谓语动词用“should+动词原形”
His proposal is that we (should)get rid of the bad habits.
四、虚拟语气在含蓄条件句中的用法
有时假设的条件不通过条件从句表达出来,而是隐含在某些词或短语中,或隐含在上下文中,常见的这类词有或短语有:
“
●without(要是)没有 ●in case以防;万一 ●but for要不是
●but that若非 ●otherwise否则 ●but而是;除●supposing假如 ●or否则
We could not have stayed together for a single minute but for a phone call.
●
五、错综时间条件句的虚拟语气
当条件句和主句所表示的动作发生的时间不一致时,就形成了错综时间句。此时,从句和主句根据各自谓语动作发生的时间采用相应的谓语动词形式。
If we had booked a table earlier,we wouldn’t be standing here in a queue
六、特殊句型中的虚拟语气
(1)“It is(high/about))time+that从句 ”句型中,从句谓语动词用动词过去式或“should+动词原形(should不能省略),表示“早该做…;是…的时候了”。
It is time that we took measures to solve the problem.
是我们采取措施解决问题的时候了。
特殊句型中的虚拟语气
(2)if only表示“要是…就好了”,用虚拟语气表示愿望。与现在事实相反用动词过去式;与过去事实相反用“had+过去分词”;与将来事实相反用“woudmight/could/should.+动词原形
If only she had spent more time preparing for the contest!
要是她多花,点儿时间准备这次比赛就好了!
特殊句型中的虚拟语气
在as if/thoug助引导的表语从句或方式状
语从句中,谓语部分常用虚拟语气形式,与现在事实相反用动词过去式;与过去事实相反用)与将来事实相反用"would/might/could/should+-动词原形
he looks as if nothing had happened to her。
她看起来好像什么事都没发生似的。
She talks about it again and again as though she would never end.
她反复谈论那件事,好像永远谈不完的样子。
Thank You