虚拟语气一PPT教学课件

It seems as if it were spring.
I remembered thpened yesterday.
They talked as if they had been friends
for years.
He looks 2020/12/12 as if he were drunk.
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5.表示要求，命令，建议的虚拟语气。
1.宾语从句。常见动词： 一个坚持，两个命 令，三个建议，四个要求。即:
2. 1. insist
2. order, command
3. 3. advise, suggest, propose
4. 4. demand , require, request, desire
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2. 不接虚拟语气的用法，表示可能或真 实的 情形。
It looks as if I am going to be busy.
It looks as though it is going to rain.
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过去时 4.It’s (about/high) time +(that)… should +V.
(与将来事实相反)
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二：虚拟语气特殊句型：
从句动作先于主句动作发生： 1. wish
过去完成时
2. 宾语 从句动作与主句动作同时发生： 过去时（were）
从句 将来不大可能实现的愿望：would/could/might+V
should 1.I wish I were从a 句bir动d.作与主句动作同时发生 2.I wish I hadn’t made such a mistake.
从句动作先于主句动作发生
3.3.We wish our parents wouldn’t punish us.
4. 2020/12/12 将来不大可能实现的愿望
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3. as if /though + Clause 虚拟 从句动作与主句动作同时发生 过去时
从句动作先于主句动作发生 过去完成时 She loves the baby as if it were her own son.
3. If I had taken your advice, I wouldn’t have made a mistake.
4. If he had been there, it wouldn’t
have happened（. 与过去事实相反）
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5.If it should rain tomorrow, they wouldn’t go for an outing.
He insisted that I (should )be present.
The king ordered that the prisoners
(should ) be killed the next day.
They requested that we (should) send them to
wo202r0/1k2/12there.
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以上动词相应的名词构成的名词性从句 包括主语从句，表语从句和同位语从句也 要使用虚拟语气。从句中的动词形式一样。
即：(should)＋V.
order, advice, suggestion, proposal, demand, request, desire
3. 这些特点决定了它必须使用不同于真 实句的动词形式。
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一：虚拟语气在条件状语 从句中的用法。
条件从句 If 从句的谓语形式 主句的谓语形式
现在 一般过去时
would/could/should/ might +V.（原）
过去
过去完成时
would/could/should/ might+have+p.p.
6.I think we could do it, if we planned it properly and could borrow the tools.
7. If we were to have three days off , we would enjoy a very happy life.
(Should不可省略)
你该走了。It’s time that you went.
It’s time that you should go.
我们该去睡觉了。 It’s time that we went to bed.
It’s time that we should go to bed.
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1.英语动词有三种语气， 陈述语 气，祈使语气和虚拟语气。
2. 定义：用来表示说的话不是事 实，或者是不可能发生的情况， 而是一种愿望，建议，假设的 语气叫虚拟语气。
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虚拟语气的特点
1. 虚拟语气用以表示假定，想象，愿望 等非事实的观念。
2. 虚拟条件从句中的条件是假设的，因 此主句的结论也只能是想象的，非事实 的。
1.一般过去时 would/could/should
将来 2. were to do
/might +V原
3.should+V 原
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1.If I had HIV, I would know because I would feel sick.
2.If I were you, I would give AIDS patient a hug. （与现在事实相反）
5. 这些动词后面的宾语从句要使用虚拟语 气。即从句中的动词 使用should + 动词原 形，或者将should省略。
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我们建议Tom 去休息一下。 他坚决要求我到场。 国王命令囚犯明天要实施死刑。 他们要求我们派他们去那儿工作。
We suggested that Tom (should ) have a rest.
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It’s suggested that the plan be carried out.
My demand is that she should come to see me once a week.