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as if as和as if有什么区别

来源:择校网   时间:2025-01-06 14:38:17

一、as if的用法

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 she were his mother.她爱这男孩,就好像她是他的母亲一样。 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。

3、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 was) a fool.他做事像个傻子。

4、as if从句的语气及时态。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。

二、as if与if的区别 语法上,

as if与if的区别在于意思不同;语法上可以引导不同的从句。

引导方式状语从句、表语从句。从句可以是虚拟语气,也可以不用虚拟语气。

Anneshrugged,as ifshedidn'tknow.

Ifeltas ifmyhearthadstopped.(表语从句、虚拟语气)

Icanrememberourweddingasif it wereyesterday.(方式状语从句、虚拟语气)

我们的婚礼我记忆犹新,就像昨天一样。

Helookedas if he wasgoing tosmile.(引导表语从句)

(表假设)要是,假如;无论何时;虽然,即使;

可以引导条件状语从句、宾语从句。从句可以使用虚拟语气,也可以使用不虚拟语气。

Ifyou'rein trouble,I'llhelpyou.(条件状语从句)

If onlyIhad goneby taxi.(虚拟语气)

SheaskedifIwouldhelp.(宾语从句)

三、as和as if有什么区别

1. [表示程度]同样地,相同地,一样地,相等地,达到…程度

2. [后接形容词或分词]被认为,被看作是,(从某种方式)与…对比时

3. [后接 directed, agreed, promised等分词]照…一样,按照(规定的、同意的、答应的)方式

1. [表示比较]像…(一样),达到…程度,以至于:

You are as good as you think you are.

2. [表示方式]以…的方式,按照;如同,如同…那样:

3. [表示时间]当…的时候,在…的同时,和…同时;当,正值:

4. [表示原因]因为,由于,鉴于;既然:

As you object, we won't go.

As you are leaving last, lock up.

5. [与so连用,表示结果或目的]:以至于,结果是:

The question is so obvious as to need no reply.

6. [表示让步,词序倒装]虽然,尽管,纵:

Tall as she was she couldn't reach the oranges.

她虽然长得这么高,仍够不着那些橙子。

7. [口语][引导名词从句,在主从复合句的主句中]= that:

8. [与 so连用,表示目的]为了,为使,以便:

Students should take notes so as to make revision easier.

为了便于复习,学生应该记笔记。

9. [常与 so连用,表示比例或关系]正像;随着…:

As the wind blew harder,so the sea grew rougher.

风越刮越大,海浪也越来越汹涌。

It seems as she's never happy.

11.根据;[与 go连用]按照…的一般标准来说:

12. [口语][引导名词从句,= that]

13. [方言]比;与其…(不如…)(= than)

1.如(情形或事实所表示);这一点,这一事实,那一情况

2. [用于比较,前为such或 the same,或与后跟形容词的 as连用,引导定语从句,等于who,which或that]照此;如;像…样的人(或事物);凡是…的人(或事物)

4. [方言][引导定语从句,= who,whom,which或 that]

1.当作;作为;以…的资格,以…的身份:

I do not think much of her as a musician.

她作为一名音乐家,我认为不怎么样。

The risk is as nothing compared to the gain.

The thief disguised himself as a policeman.

In some words in English the initial h is not sounded,as honour,hour,honesty,etc.

英语里有些词如 honour,hour,honesty等等的首字h不发音。

我们都是从婴儿开始人生的旅程的。

7.由于…的理由[as being的省略形式]:

8.起…的作用;(在剧中)扮演…的角色:

The illustration shows Mr.John as prince in Hamlet.

这个插图说明约翰先生在《哈姆雷特》一剧中扮演王子这个角色。

As a child,he was rather naughty.

3. [引导无定形句,表示惊讶、不信任、愤懑等强烈感情]好像…似的,倒是…似的

In August, long stalks with several clumps of trumpet-like flowers suddenly appear as if by magic.

在八月份,长长的茎上有一小簇像喇叭状的花,变魔术般的突然出现。

That is why this idiom is used to describe ideas that are not realistic, as if they are dreams or fantasies.

那就是为什么这个习语是用来描述不切实际的想法的,那些(想法)就好像做梦和幻想一样。

Sorghum is still used widely today in Africa. Now it looks as if it might be part of the original family recipe.

到了今天,高粱在非洲仍为人们广泛食用。目前看来,它可能早已是人们家传食物秘方的一部分。

四、as if 和 if 有什么区别

as if是“好像”的意思,一种假设的语气.

例如:He dances happily as if he was a child.他像个孩子般快乐地跳着舞.因为是假设,所以一般要使用虚拟语气,即把he is a child中的 is改为过去式was.

if是如果的意思,语义跟as if没有多大的联系.

例如:Please tell me if it rains.如果下雨了请告诉我.

如果假设的是不可能发生的条件,也要使用虚拟语气.

例如:If I were you,I wouldn't do that.如果我是你就不会这样做了.

纯手打,楼主不懂再问吧.,9,您好!

1. [表示程度]同样地,相同地,一样地,相等地,达到…程度

2. [后接形容词或分词]被认为,被看作是,(从某种方式)与…对比时

3. [后接 directed, agreed, promised等分词]照…一样,按照(规定的、同意的、答应的)方式

c...,0,as if好像,仿佛,似乎=as though

if假如,如果,倘若,表示假设关系,0,

五、“as if”是什么意思, 怎么用

1、as if好像,好似 She spoke to me as if she knew me.她和我说话的神情,好像她早就认识我似的。(= as though)

2、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 she were his mother.她爱这男孩,就好像她是他的母亲一样。 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。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 was) 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。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。 He talks as if he knew where she was.他说话的样子,好像他知道她在哪里似的。(2)从句表示与过去事实相反,谓语动词用“had+过去分词”。如: He talks about Rome as if he had been there before.他说起罗马来好像他以前去过罗马似的。 The girl listened as if she had been turned to stone.那女孩倾听着,一动也不动,像已经变成了石头似的。(3)从句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.他张开嘴好像要说什么。 It looks as if it might snow.看来好像要下雪了。

关于as if的内容到此结束,希望对大家有所帮助。

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