英语单词have和has的用法如下:
has的用法
当主语是第三人称单数(he,she,it),名词单数,这时谓语动词就要用has.
例句:1)He has a cat. 他有一只猫。(he是第三人称单数)
2) The house has four doors. 这栋房子有四扇门(the house名词单 数)
2. have的用法
当主语是第一人称(I,we),第二人称(you),第三人称复数(they),名词复数,这时谓语动词用have.
例句:1)I have a story book. 我有一本故事书。(I 是第一人称)
2) These houses have 20 doors.这些房子有20扇门(these houses名 词复数)
3. 陈述句有has 和 have 变否定句
1)当has 和 have 是有的意思:直接在has 和 have 后面加not
例句:She has a white cat.
She has not a white cat. (只接在has后加not)
2) 当has 和 have 是其它意思,如 吃,拿,得到,等等,has 和 have是一个万能 动词,在不同的语境翻译出不同的意思。变否定句时,在has前加 doesn’t, 把 has变为have; 在have 前加don’t.
例句:a) He has breakfast every day.
He doesn’t have breakfast every day. (把has变为have,前加doesn’t)
b) I have breakfast every day.
I don’t have breakfast every day. (在have前加don’t)
4. 陈述句有has 和 have 变一般疑问句
1) 当has和have是有的意思,直接把has,have移到句首
例句:She has a sports car.
Has she a sport car?(直接把has移到句首)
2) 当has和have 是“吃,拿”等意思时,动词是has时,句首加does,然后把has变 为have; 动词是have时,直接在句首加do.
例句:a) She has breakfast every day.
Does she have breakfast every day?(句首加does,把has 变为have)
b) They have breakfast every day.
Do they have breakfast evey day?(直接在句首加do)