助动词有哪些啊?
助动词一共分为三类。do,did,does,don't都是助动词1.半助动词在功能上介于主动词和助动词之间的一类结构,称为半助动词。常见的半助动词有:be about to, be due to, be going to, be likely to, be meant to。2.情态助动词情态助动词后面直接加动词原形,包括will(would), shall(should), can(could), may(might), must, need, dare, ought to, used to, had better。3.基本助动词基本助动词只有三个:be, do, have, 它们没有词汇意义,只有语法作用,如协助构成进行体,完成体,被动态,否定句,疑问句等。扩展资料协助主要动词构成谓语的词叫助动词,也叫辅助动词。被协助的动词称作主要动词。助动词用来构成时态和语态。 助动词具有语法意义,但没有词汇意义,不可单独作谓语。它没有对应的汉译。助动词可以协助主要动词构成时态或者语态,也可构成疑问句和否定句,构成否定句时与否定副词not连用。参考资料百度百科-助动词
助动词有哪些?
助动词有:be, have/has, do/does/did , shall, should, will, would等。基本助动词只有三个:be, do, have, 它们没有词汇意义,只有语法作用,如协助构成进行体,完成体,被动态,否定句,疑问句等。 例如:1、He is giving a lecture. 他在作报告。2、He has made a plan. 他已经订了计划。3、The small animals are kept in the cages. 小动物都关在笼子里。扩展资料助动词协助主要动词完成以下作用:1、表示时态,例如:He is singing. 他在唱歌。He has got married. 他已结婚。2、表示语态,例如:He was sent to England. 他被派往英国。3、构成疑问句,例如:Do you like college life? 你喜欢大学生活吗?Did you study English before you came here? 你来这儿之前学过英语吗?4、与否定副词not合用,构成否定句,例如:I did not (=didn't )like him. 我不喜欢他。
英语助动词有哪些
学习英语的时候要注意语法和一些词的用法,下面我就为大家整理一下助动词有哪些。 英语中常见的助动词包括: 1.行为动词类:do, does, did 1. 现在进行时态中的be动词:am, is , are , 2. 过去进行时态中的be动词:was, were 3. 一般将来时态中的助动词:shall, will, 4. 现在完成时态助动词: have, has 5. 过去完成时态助动词:had 6. 情态动词类:can, may, must, should, could, would, might, have/has to, used to, 7. 被动语态助动词:be 的各种时态. 情态动词与助动词 1、can 能,可以,表说话人同意,许可还可表客观条件许可,如:You can go now. 提建议或请求时可用can I, can you表客气,如Can I buy you a drink? 2、may (1)可以,表说话人同意,许可或请求对方许可。You may go. (2)(现在和将来)可能,也许,只用于肯定句和否定句中,如He may not be right. 3、must, have to must表主观上的必须,have to表客观上的必须,如: It's getting late. I have to go. -Must I go now. -Yes, you must. (No, you needn't./ No, you don't have to.) 4、need, dare这二词有实意动词和情态动词两种词性,如用作实意动词后接动词不定式to do,如用作情态动词后接动词原形。Need I go now? --Yes, you must./No, you needn't.) 5、shall用于第一人称疑问句中表说话人征求对方的意见或向对方请求,如,Shall we begin our lesson? 用于二、三人称陈述句,表说话人命令、警告、允诺、威胁等口吻,如: You shall fail if you don't work harder. 6、should表应该,意为有责任,有义务。如:We should try our best to make our country more beautiful. 7、will表有做某事的意志、意愿、安心、打算,如 "Will you lend me your book?" "Yes, I will." 8、should have done表应该做而未做 must have done表对过去事实的肯定推测 could have done表本可以做某事 9、判断句:肯定句用must, 否定句用can't, 不太肯定用may, might He must be in the office now. He must have gone to bed, for the light is out. He can't be in the office. He is at home. He couldn't have cleaned the classroom, because he didn't come here today. He might be in the office, I am not sure. He might have cleaned the room, I suppose.
英语中的助动词有哪几个
英语中常见的助动词有do、does、did、have、has、would、should、will、be、shall等。助动词大体上可以划分为三类,一是半助动词,它介于助动词和一般动词之间,主要有have to、be about to、be able to、be going to、be due to、seem to、be likely to、be meant to、be obliged to、be supposed to、be willing to等。基本助动词,分别是be、do、have以及它们的变形格式。比如,I have finish the homework.助动词只是辅助动词共同构成谓语的,本身没有实际含义。助动词种类较多,以下主要介绍be,do,will,have等助动词的使用:一、be动词作助动词。 由连系动词am,is,are构成的句子:变一般疑问句时把am,is,are提到句子的前面,句尾用问号即可。变否定句时直接在am,is,are后面加not即可。2、was 是am,is的过去式,were是are的过去式,若句子中有以上两词时,变疑问句及否定句方法与be相同。