if引导的条件句有哪些用法及动词
. If I had got there earlier,I should/could have met her. 如果我早到那儿,我就会见到她。
构成时态 条件从句 If+一般现在时 主句 主语+shall/will+动词原形 用法1 (1)条件状语从句通常由连词if引导,意为“如果、假如”,主句不能用be going to表示将来,而应该用shall,will。
英语中含有if条件状语从句的句子,对将来的虚拟:If主语,动词过去式(were/did),主语 should/would/could动词原形。虚拟语气表示一种不能实现的假设。该语法主要用于if条件状语从句。也可用于主语从句、表语从句、宾语从句等。
造10个if引导从句
1、⑴、If I were you , I would have attended the meeting. 如果我是你的话,就去参加会议了。⑵、If he had come here yesterday, he would have seen his old friend.假如他昨天来这儿的话,就会看见他的老朋友。
2、例句1:If it rains tomorrow, I will stay at home.如果明天下雨,我就呆在家里。例句2:If I miss the bus, I will take a taxi.如果我没有赶上公交车,我就打个出租车。
3、if引导宾语从句的例句如下:My mother asked me if I wanted anything to drink.我妈妈问我是否要喝点什么。He didnt know if he was right.他不知道他是否正确。
4、If you cheat in the exam you’ll never get away with it.考试作弊必予追究。Unless you go at once you will be late.如果你不马上走,就会迟到的。
5、表示与现在事实相反的情况:从句:If 主语+过去时(Be动词用were)主句:主语+should/would/could/might+do eg:1.If I were you,I would take an umbrella.如果我是你,我会带把伞。
6、if引导的条件状语从句造30个 造句如下:She gets very upset if I exclude her from anything 要是有什么事情我不让她参加,她会非常难过。
【英语语法:新概念】if引导的条件句(三种情况都要讲出来)?
1、条件句:过去完成时,主句:could/would/should/ought to/might have done 例:if he had taken my advice,he shouldnt have failed in the exam.如果他听从我的建议,他考试就不会不及格。
2、对现在虚拟:条件句:一般过去时主句:could/would/+动词原形。对过去虚拟:条件句:过去完成时主句:could/would have done。
3、错综时间条件句 有些条件句的主句谓语和从句谓语表示的动作在时间上并不一致,这类句子称为错综时间条件句。
4、if引导的条件状语从句的分类及虚拟条件句的判断 可以把条件句分为两类:1).真实条件句(Sentences of Real Condition):凡是假设的情况发生性可能很大,就是真实条件句。
if引导的句子
If I were to go, I would be late.倘若我去,就要迟到。If he did(were to do,should do)it,he would do it well.如果他来做,他会做好的。
if引导宾语从句。if引导宾语从句时,意为:“是否”。从句的时态通常要和主句保持一致。例句:I want to know if he lives there.我想知道他是否住在那儿。if引导的条件状语从句。
if引导从句如下:He will come if you invite him.如果你请他,他会来的。I wonder if she is ill.不知她是否病了。If I were you, I would never do that.如果我是你,我决不做那件事。
If you want to go, please tell me. 如果你想去,请告诉我。Print the photo if you like it.如果你喜欢这照片就把它打印出来。
.If I were you,I would take an umbrella.如果我是你,我会带把伞。(事实:我不可能是你)2.If I knew his telephone number,I would tell you.如果我知道他的电话号码,我就会告诉你。
含蓄条件句”,这种句子有时候会用虚拟语气。
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