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。1. as if :好像;似乎;仿佛。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。例如:Anne shrugged, as if she didn't know. 安妮耸了耸肩,好像她不知道。I felt as if my heart had stopped. (表语从句、虚拟语气)我觉得好像我的心都不跳了。I can remember our wedding as if it were yesterday. (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。He looked as if he was going to smile. (引导表语从句)他看上去好像要微笑。2. if;conj.(表条件)如果;(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。例如:If you're in trouble, I'll help you. (条件状语从句)如果你有困难,我会帮你。If only I had gone by taxi. (虚拟语气)我要是乘出租车去就好了。She asked if I would help. (宾语从句)她问我是否会帮忙
as if的用法归纳总结
1、as if后接表语从句。当as if后接表语从句中,其通常用于“It loos/seems as if…”的句型中,表示“看起来似乎……”。2、as if后接状语从句。当as if后接状语从句,其含义为“似乎,就好像……”。当所描述的内容,是真实的或极有可能发生或存在的事实,从句通常用陈述语气,句子的谓语用look,seem,taste,smell,feel等。3、as if后从句也可以用虚拟语气。as if的谓语动词有时也要使用虚拟语气,用来表示句子中所描述的情况与事实相反,或极少情况发生的情况。
as if的用法总结
as if 连接的从句,即可表示对现在、将来时间的虚拟,又可以是对过去时间的虚拟。 扩展资料 1、基本用法 as 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。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。 2、从句表示与过去事实相反,谓语动词用“had+过去分词”。 3、从句表示与将来事实相反,谓语动词用“would/could/might+动词原形”。例如: You look as if you didn’t care.你看上去好像并不在乎。 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。 He opened his mouth as if he would say something.他张开嘴好像要说什么。 2、两点说明 1.从句所表示的内容若为事实或可能为事实,也可用陈述语气。 It looks as if we'll be late.我们似乎要迟到了。 This meat tastes as if it has already gone bad.这肉吃起来似乎已经坏了。 在现代英语中,有时即使从句内容不是事实,也可用陈述语气。 I feel as if I'm floating on air.他感到好像漂浮在空中。 The stuffed dog barked as if it is a real one.玩具狗叫起来像真狗。 2.注意It isn't as if的翻译 It isn't as if…是英语中的.固定句式,也可说成 It’s not as though,主要用于表示某个解释不正确,意思是“好像不是”“显然不是”“真不是”等。 It isn't as if he were poor. 他不像穷的样子(他又不穷)。 It isn’t as if he didn’t recognize me! He just walked straight past me as I stood there. 他不像是没认出我!可是我站在那里他迳直从我跟前走过。 3、as if 从句的作用 1.在look,seem等系动词后引导表语从句。 She looks as if she were ten years younger. 她看起来好像年轻了十岁。 2.引导方式状语从句 She loves the boy as if he were he father. 她爱这个男孩,就好像他是她的父亲一样。 4、as if还可用于省略句 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。 He acts as if (he were)a fool. 他做事像个傻子。 She left the room hurriedly as if (she were)angry. 她匆忙离开房间好像生气的样子。
as if的用法
as if的用法如下: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。
asif的用法
asif的用法如下:as 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。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。2、从句表示与过去事实相反,谓语动词用“had+过去分词”。3、从句表示与将来事实相反,谓语动词用“would/could/might+动词原形”。例如:You look as if you didn’t care.你看上去好像并不在乎。扩展资料:注意事项:从句所表示的内容若为事实或可能为事实,也可用陈述语气。1、It looks as if we'll be late.我们似乎要迟到了。在现代英语中,有时即使从句内容不是事实,也可用陈述语气。2、I feel as if I'm floating on air.他感到好像漂浮在空中。3、Why is she looking at me as though she knew me? 他为什么那样看我?像是认识我似的。4、He behaves as if he owned the house. 他的样子好像他拥有这个房子。
asif用法归纳
as 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。 如果从句表示与现在事实相反,谓语动词用一般过去时。 从句表示与过去事实相反,谓语动词用“had+过去分词”。 从句表示与将来事实相反,谓语动词用“would/could/might+动词原形”。 扩展资料 例句: Her head felt as if it would burst. 她觉得头要爆裂了。 He suddenly appeared as if by magic. 他突然神奇地出现了。 Anne shrugged, as if she didn't know. 安妮耸了耸肩,好像她不知道。
as if虚拟语气是什么?
as 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。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。2、从句表示与过去事实相反,谓语动词用“had+过去分词”。3、从句表示与将来事实相反,谓语动词用“would/could/might+动词原形”。例如:You look as if you didn’t care.你看上去好像并不在乎。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。He opened his mouth as if he would say something.他张开嘴好像要说什么。as if 从句的作用:1、在look,seem等系动词后引导表语从句。She looks as if she were ten years younger.她看起来好像年轻了十岁。2、引导方式状语从句She loves the boy as if he were he father.她爱这个男孩,就好像他是她的父亲一样。
as if三种虚拟语气例句
as if 连接的从句,即可表示对现在 将来时间的虚拟,又可以是对过去时间的虚拟。基本用法asif 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。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。2、从句表示与过去事实相反,谓语动词用“had+过去分词”。3、从句表示与将来事实相反,谓语动词用“would/could/might+动词原形”。例如:You look as if you didn’t care.你看上去好像并不在乎。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。He opened his mouth as if he would say something.他张开嘴好像要说什么。
as if的用法
基本用法. 以as if (as though)引导的方式状语从句或表语从句,有时用虚拟语气,若表示与现在事实相反,谓语动词用一般过去时;若表示与过去事实相反,用过去完成时;表示将来的可能性不大,用would (might, could)+动词原形。. 如:. He acts as if he knew me. 他显得认识我似的。. They treat me as though I were a stranger. 他们待我如陌生人。. He talks as if he had been abroad. 他说起话来好像曾经出过国。.注意 It isn't as if…的翻译:It isn't as if he were poor. 他不像穷的样子(或他又不穷)。It isn't as if you were going away for good. 又不是你离开不回来了。I feel as if [as though] I'm floating on air. 他感到好像漂浮在空中。The stuffed dog barked as if it is [were, was] a real one. 玩具狗叫起来像真狗。