最常用的助动词有：be， have/has， do/does/did ， shall，will， would等。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。分类 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 to将要做 打算做, be about to...
the verb. The verb must agree with its subject. In the simple presenthasshould be used with a third person singular subject (Mary, Jim, he, she, it, the book, a cat, etc.), andhaveshould be used in all other places. Below is a chart showing when to usehasand when to usehave. ...
Auxiliary verbs are used to form tenses or passive forms of other verbs. The main ones are be, do, and have.用来辅助其他动词构成时态或被动语态的动词，如be、do、have、will。注意：当have用作助动词时，主要用来构成完成时态；当will用作助动词时，主要用来构成将来时态。2、情态动词 A modal verb ...
In this lesson we look at the forms ofmain verbsandhelping verbsfollowed by a quiz to check your understanding. Forms of Main Verbs Main verbs (except the verb "be") have 3, 4 or 5forms. The verb "be" has 8 ...
复合谓语包括情态动词+ 动词原形、连系动词+ 表语、动词短语及被动语态be done、进行时态be doing、完成时态 has/ have done、将来时态will do / be going to do 等。 (1)You can make a difference if you are confident.(2)He was followed by the fans.(3)I was about to go out when my phone ...
She has got long hair. 13. Giraffes are tall, they have got a long neck. 14. My schoolbag is behind the door. 15. We have got science on Thursday. 16. My school is big, it has got a sports field. 1. Rosy是第三人称单数,要用has got表示“有”;his name是第三人称单数,要用is。
were, been, being, have, has, had, could, should, would, may, might, must, shall, can, will, do, did, does, having When we put one or more helping/auxiliary verb with a main verb, we get what is called a verb phrase.
have has not 've 's "I've an idea". auxiliary had We'd all had a good time examples 1.2. Negative forms of themain verbto have. Take care:The normal negative forms of themain verbhave / hasaredo not haveanddoes not have, or their shortened forms. These arenotthe same as the ...
He has gone to New York. 他已去纽约。（have是助动词。）动词根据其后是否带有宾语，可分为两类，分别是：及物动词、不及物动词，英语缩写形式分别为vt. 和vi.。但是，同一动词有时可用作及物动词，有时可用作不及物动词。例如： She can dance and sing. 她能唱歌又能跳舞。（sing在此用作不及物...