as-if-用法归纳
as if 用法归纳
创作编号：BG7531400019813488897SX创作者：别如克*as if 用法归纳1．as if 从句的作用as if一般可由as though来代替。
可在look, seem等系动词后引导表语从句。
如：He looked as if / though he was ill. 他看起来好像生病了。
It seems as if it is going to rain.看来好像要下雨了。
它还可引导方式状语从句。
如：I remember the whole thing as if / though it happened yesterday.我记得整个事情，就好像它是发生在昨天一样。
The child talked to us as if he were a grown?鄄up.那个小孩跟我们讲话就像个大人一样。
2．as if 从句的语气及时态①当说话者认为句子所述的是真实的或极有可能发生或存在的事实时，as if从句用陈述语气。
如：It sounds as if it is raining.听起来像在下雨。
He talks as if he is drunk.从他说话的样子来看他是醉了。
②当说话人认为句子所述的是不真实的或极少有可能发生或存在的情况时，as if从句用虚拟语气。
表示与现在事实相反，谓语动词用一般过去式。
如：You look as if you didn’t care.你看上去好像并不在乎。
He talked as if he knew what had happened.他说话的样子，好像他知道发生了什么事情。
表示与过去或与谈话时间为止发生的事实相反，谓语动词用“had +过去分词”。
如：He talked about the Great Wall as if he had been there before.他说起长城来好像他以前去过那里。
The girl listened as if she had been turned to stone.那女孩倾听着，一动也不动，像已经变成了石头。
asif用法归纳
as if 用法归纳1． as if 从句的作用?as if一般可由as though来代替。
引导表语从句，可在look, seem等系动词后。
如：He looked as if / though he was ill. 他看起来好像生病了。
It seems as if it is going to rain.看来好像要下雨了。
引导方式状语从句。
如：I remember the whole thing as if / though it happened yesterday.The child talked to us as if he were a grown-up. 那个小孩跟我们讲话就像个大人一样。
2． as if 从句的语气及时态①as if从句用陈述语气。
当说话者认为句子所述的是真实的或极有可能发生或存在的事实时，It sounds as if it is raining. 听起来像在下雨。
He talks as if he is drunk. 从他说话的样子来看他是醉了。
②as if从句用虚拟语气。
当说话人认为句子所述的是不真实的或极少有可能发生或存在的情况时，表示与现在事实相反，谓语动词用一般过去式。
如：You look as if you didn’t care. 你看上去好像并不在乎。
When a pencil is partly in a glass of water, it looks as if it were broken．表示与过去或与谈话时间为止发生的事实相反，谓语动词用“had +过去分词”。
如：He talked about the Great Wall as if he had been there before.说起长城来好像他以前去过那里。
The girl listened as if she had been turned to stone.女孩听着，一动也不动，像已经变成了石头。
as if 的用法
as if 的用法一、as if 从句的作用1．引导表语从句，常与as,look, seem,feel,taste,smell,sound等系动词连用。
如：She looks as if she were ten years younger．她看起来好像年轻了十岁。
It seems as if our team is going to win．看来我们队要胜了。
It looks as if a tornado swept through your room.好像有龙卷风席卷过你的房间。
It looks as if they're looking for something.他们看起来好像在找什么东西。
2. 引导方式状语从句，表示“事情是怎么做的”或“一个人或事物是什么样的”。
如：She loves the boy as if she were his mother．她爱这男孩，就好像她是他的妈妈一样。
The child talked to us as if he were a grown-up．那孩子跟我们谈起话来，像个成年人似的。
She spoke to me as if she knew me.她和我说话的神情，好像她早就认识我。
You answered the question as if you did not know this rule.你回答的问题好像不知道这个规则似的。
二、as if 还可用于省略句中如果as if 引导的从句是“主语+系动词”结构，可省略主语和系动词，这样as if 后就只剩下名词、不定式、形容词（短语）、介词短语或分词。
如：He acts as if （he were） a fool．他做事像个傻子。
Tom raised his hands as if （he was going） to say something．汤姆举起手好像要说什么。
She left the room hurriedly as if （she was）angry．她匆忙离开房间好像生气的样子。
as if用法
一、as if 从句的作用1．在look, seem 等系动词后引导表语从句。
如： She looks as if she were ten years younger．她看起来好像年轻了十岁。
It seems as if our team is going to win．看来我们队要胜了。
2．引导方式状语从句。
如： She loves the boy as if he were her father．她爱这男孩，就好像他是她的父亲一样。
The child talked to us as if he were a grow-up．那孩子跟我们谈起话来，像个成年人似的。
二、as if 还可用于省略句中如果as if 引导的从句是“主语+系动词”结构，可省略主语和系动词，这样as if 后就只剩下名词、不定式、形容词（短语）、介词短语或分词。
如：He acts as if （he were） a fool．他做事像个傻子。
Tom raised his hands as if （he was going） to say something．汤姆举起手好像要说什么。
She left the room hurriedly as if （she were）angry．她匆忙离开房间好像生气的样子。
三、as if 从句的语气及时态1． as if 从句用陈述语气的情况。
当说话者认为句子所述的是真实的或极有可能发生或存在的事实时。
如：It sounds as if it is raining．听起来像是在下雨。
He talks as if he is drunk．从他谈话的样子来看他是醉了。
2．as if 从句用虚拟语气的情况。
当说话人认为句子所述的是不真实的或极少有可能发生或存在的情况时。
从句虚拟语气动词时态的形式如下：（1）如果从句表示与现在事实相反，谓语动词用一般过去时。
如：You look as if you didn’ t care．你看上去好像并不在乎。
as if 用法归纳
as if 用法归纳1．as if 从句的作用 as if一般可由as though来代替。
引导表语从句，可在look, seem等系动词后。
如：He looked as if / though he was ill. 他看起来好像生病了。
It seems as if it is going to rain.看来好像要下雨了。
引导方式状语从句。
如：I remember the whole thing as if / though it happened yesterday. The child talked to us as if he were a grown-up. 那个小孩跟我们讲话就像个大人一样。
2．as if 从句的语气及时态①as if从句用陈述语气。
当说话者认为句子所述的是真实的或极有可能发生或存在的事实时，It sounds as if it is raining. 听起来像在下雨。
He talks as if he is drunk. 从他说话的样子来看他是醉了。
②as if从句用虚拟语气。
当说话人认为句子所述的是不真实的或极少有可能发生或存在的情况时，表示与现在事实相反，谓语动词用一般过去式。
如：You look as if you didn’t care. 你看上去好像并不在乎。
When a pencil is partly in a glass of water, it looks as if it were broken．表示与过去或与谈话时间为止发生的事实相反，谓语动词用“had +过去分词”。
如：He talked about the Great Wall as if he had been there before.说起长城来好像他以前去过那里。
The girl listened as if she had been turned to stone.女孩听着，一动也不动，像已经变成了石头。
as-if的用法教程文件
三、as if 从句的语气及时态
• 1． as if 从句用陈述语气的情况。 当 说话者认为句子所述的是真实的或极有可 能发生或存在的事实时。
It sounds as if it is raining．
He talks as if he is drunk．
三、as if 从句的语气及时态
• 2．as if 从句用虚拟语气的情况。 当说 话人认为句子所述的是不真实的或极少有 可能发生或存在的情况时。从句虚拟语气 动词时态的形式如下：
• He looked about as if (he was) in search of something. （as if+介词短语）
• He paused as if (he was) expecting Mary to speak. （as if+现在分词）
• EXERCISES:
The man opened his eyes and moved his lips as if_(_h_e_w__a_s_g_o_i_n_g_)_t_o_s_a_y_that he had something to tell the the doctor.（say）
• (4)as if 后面可以接陈述语气和虚拟 语气，如果句子的情况是真实的，那么只 要保持时态一致即可，如果后面接的并非 真实情况，则要按照虚拟语气规则把句子 形式改变（简单说就是时态倒退原则）。 It seems as if it is raining。外面看起来象是下雨
了。（陈述）
It seems as if it were raining。外面看起来好像 下雨一样。（虚拟，其实并没有下雨）
• EXERCISES:
1. He looked happy as if he _h_a__d_p__e_rs__u_a_d_e_d___ (persuade) her to change her mind. 2. I don't know why she is looking at me as if she _k__n_e_w__ (know) me. I've never seen her before in my life. 3. Jack wasn't saying anything, but the teacher smiled at him
as if虚拟语气用法归纳总结
as if虚拟语气用法归纳总结虚拟语气是英语语法中的一种特殊用法，用来表达与事实相反或与现实相反的假设情况。
其中，"as if"是虚拟语气中常用的短语之一。
下面将对"as if"的用法进行归纳总结。
首先，"as if"后接动词过去式，用来表示不真实的情况、假设或幻想。
例如：She looked at me as if she saw a ghost. (她看着我，就好像她看到了幽灵一样)其次，"as if"后接动词的过去完成时，用于表示过去发生的虚构情况。
例如：He acted as if he had won the lottery. (他行为就像他中了彩票一样)另外，也可以使用"as if"接would/could/should/might等情态动词来表达与现实相反的条件。
例如：He spoke to her as if he would propose. (他对她说话的方式就好像他要求婚一样)此外，"as if"还可以用来表示一种可能性或推测。
例如：They left in a hurry, as if they had urgent matters to attend to. (他们匆忙离开，好像有紧急的事情要处理)需要注意的是，虚拟语气中的"as if"后的动词形式要根据句子的时态来选择，具体使用哪种过去时态取决于句子的谓语动词。
而在一些情况下，"as if"也可以与现在时态连用，表示与现实相反的情况。
总结起来，"as if"是一个常用的虚拟语气短语，用来表达事实相反或与现实相反的假设情况。
它可以接动词过去式、动词的过去完成时和情态动词等形式，用于不同的语境下。
正确运用"as if"可以丰富和准确表达我们的语言意图。
as if 用法归纳
as if 用法归纳1．as if 从句的作用as if一般可由as though来代替。
可在look, seem等系动词后引导表语从句。
如：He looked as if / though he was ill. 他看起来好像生病了。
It seems as if it is going to rain.看来好像要下雨了。
它还可引导方式状语从句。
如：I remember the whole thing as if / though it happened yesterday.我记得整个事情，就好像它是发生在昨天一样。
The child talked to us as if he were a grown?鄄up.那个小孩跟我们讲话就像个大人一样。
2．as if 从句的语气及时态①当说话者认为句子所述的是真实的或极有可能发生或存在的事实时，as if从句用陈述语气。
如：It sounds as if it is raining.听起来像在下雨。
He talks as if he is drunk.从他说话的样子来看他是醉了。
②当说话人认为句子所述的是不真实的或极少有可能发生或存在的情况时，as if从句用虚拟语气。
表示与现在事实相反，谓语动词用一般过去式。
如：You look as if you didn’t care.你看上去好像并不在乎。
He talked as if he knew what had happened.他说话的样子，好像他知道发生了什么事情。
表示与过去或与谈话时间为止发生的事实相反，谓语动词用“had +过去分词”。
如：He talked about the Great Wall as if he had been there before.他说起长城来好像他以前去过那里。
The girl listened as if she had been turned to stone.那女孩倾听着，一动也不动，像已经变成了石头。
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as if 用法归纳
1． as if 从句的作用as if一般可由as though来代替。
引导表语从句，可在look, seem等系动词后。
如：
He looked as if / though he was ill. 他看起来好像生病了。
It seems as if it is going to rain.看来好像要下雨了。
引导方式状语从句。
如：
I remember the whole thing as if / though it happened yesterday.
The child talked to us as if he were a grown-up. 那个小孩跟我们讲话就像个大人一样。
2． as if 从句的语气及时态
①as if从句用述语气。
当说话者认为句子所述的是真实的或极有可能发生或存在的事实时，
It sounds as if it is raining. 听起来像在下雨。
He talks as if he is drunk. 从他说话的样子来看他是醉了。
②as if从句用虚拟语气。
当说话人认为句子所述的是不真实的或极少有可能发生或存在的情况时，
表示与现在事实相反，谓语动词用一般过去式。
如：
You look as if you didn’t care. 你看上去好像并不在乎。
When a pencil is partly in a glass of water, it looks as if it were broken．
表示与过去或与谈话时间为止发生的事实相反，谓语动词用
“had +过去分词”。
如：
He talked about the Great Wall as if he had been there before.说起长城来好像他以前去过那里。
The girl listened as if she had been turned to stone.女孩听着，一动也不动，像已经变成了石头。
表示与将来事实相反，谓语动词用“would / could / might + 动词原形”。
如：
He opened his mouth as if he would say something. 他开嘴好像要说什么。
It looks as if it might snow. 看来好像要下雪了。
3． as if从句中的省略。
如果as if 引导的从句是“主语+系动词”结构，可省略主语和系动词等成份，这样as if 后就只剩下名词、不定式、形容词（短语）或动词-ing形式等。
He acts as if (he was) a fool. 他做事像个傻子。
He paused as if (he was going) to let the sad memory pass. The girl left the room hurriedly as if (she was) angry. 女孩匆忙离开房间，好像生气的样子。
From time to time, Jason turned round as if (he was) searching for someone.
词汇学习
1. A smelly gas came out of the cracks.
smelly : smell+ y = adj. smell n./v (smelt/ smelled)
扩展: n.+y构成形容词
blood---- mud---- sun----- cloud---- rain----
wind--- taste---- dream---- ice---- greed----
fat---- fog----- health→ wealth →
4. But the one million people of the city, who thought
little of these events, were asleep as usual that night.
think of想起，考虑
think little of 不重视，忽视 think nothing of
认为没什么
think badly/poorly /ill of 对……看法不好，评价很低
think well/much / highly/a lot/ a great deal of 对……重
视/高度评价
5. It seemed as if the world was at an end.
. at an end= finished 结束，终结（作表语）
★We were very happy when the work was at an end.
★at the end of“在…尽头；在…末”
★by the end of“到/截止……末”；主句一般用完成时
★in the end意思“最后、终于”= at last/ finally
1. Wash your hands at the end of_ the experiment.
2. How many English words had you learned by the end of_ last term?
3. He tried various jobs and_in the end_ became a teacher.
7.In fifteen terrible seconds a large city lay in ruins.在可怕的15秒钟，一座大城市就沉沦在一片废墟之中。
lie( lay lain)处于某种状态;躺，平躺，平卧平放
11.shock n.震惊打击 His sudden death was a great shock to his family.
shock vt. 使震惊使震动
People were shocked (shock).我们对这个消息感到震惊。
We were shocked at the news.
The news is shocking(shock)
表示情感的动词 excite, surprise, interest, bore, move, shock, disappoint, satisfy,
变为形容词时可加ing(指物）或加ed (指人）
短语句型过关
burst into sth. = burst out doing It seemed as if at an end= finished
think well / highly of in ruins It is no wonder (that )= No wonder (that)
all…not … = not all…该句为部分否定
be buried in…= bury oneself in…。