Be动词原型:Is Am Are
be动词的否定:
在is am are was were 后面加not
缩略式:am not, isn`t, aren`t, wasn`t, weren`t.
1.The man isn‘t back. 那个男人没回来。(一般现在时的否定形式)
2.I am not back.
3.They aren`t back.
4.He wasn`t back.
5.They weren`t back.
be动词的提问和回答:
1.Is he a teacher?(yes, he is. / No, he isn`t.)
2.Are you a teacher?(yes, I am. / No, I am not.)
3.Were they teachers?(yes,they were. / No, they weren`t.)他们以前是老师吗?
4.Were they in the classroom yesterday?他们昨天在教室吗?
5.They weren`t in the classromm yesterday.他们昨天不在教室。
代词的主格和宾格:
主格 | 宾格 | 形容词性 物代 | 名词性 物代 |
I | me | my | mine |
He | him | his | his |
She | her | her | hers |
It | it | its | its |
You | you | your | yours |
We | us | our | ours |
They | them | their | theris |
主格代词(I, he, she, it, you, we, they)
宾格代词(me, him, her, it, you, us, them)
在主语的位置上,就放主格代词。宾语位置放宾格代词。
名词性/形容词性 物主代词(物主:物的主人):
(正好可以修饰形容词后面的名词,所以叫作)
形容词性物主代词:(单数)my, your, his/her/its, one`s(复数)our, your, their
1.This is my book.
2.We love our motherland.
3.Those are your socks.
4.My teacher is chinese.(我的老师是中国人)
(物的主人,但是要像名词一样去使用,也就是说后面不能再跟名词,它不是去修饰限定后面的名词的,他要独立做个名词成分,所以叫作)
名词性物主代词:(单数)mine, yours, his/hers/its, one`s (复数)ours, yours, theirs
1.mine=my+名词。
2.The book is ours.
3.The apple is hers.
4.This computer is theris.(这个电脑是他们的)
5.Our book is on the shelf.(我们的书在书架上)
反身代词(表示某人自己):
(单数)myself, yourself, herself, himself, itself
(复数)yourselves, ourselves, themselves
1.Please help yourself to some fish.(帮助你自己吃一些鱼)(作宾语)
2.We enjoyed ourselves last night.(我们昨天晚上玩的很愉快)(作宾语)
3.The thing itself is not important.(这件事本身不重要)(作同位语) (这里的反身代词,没有放在动词后面,而放在了“The thing” 这个名词后面,它代替的正好是主语“The thing”,那么这个位置上的叫做“同位语”。同位语是在解释说明前面名词的成分。)
4.Take good care of (yourself)?(照顾好你自己)(Take good care of 是一个固定的动词词组,表示 “照顾好”)
5.She gained control of (herself). (她控制住了她自己)(gained, 是“获得”的意思。)
实意动词(具有实际意义的动词)(这个是针对于be动词来说的,be动词是没有实际意义的动词):
come, read, go, watch, paly, fly
1.He comes from Shenyang.(单三形式)(from Shenyang 为介词短语)
2.She is reading story book.(现在进行时)
3.They went to America yesterday.(go=过去时went)(他们昨天去美国了)
4.We have watched the game for three times.(现在完成时)(这个游戏我们已经看了三次了)
5.My mother will fly back to Chine next month.(将来时,动词的将来时,动词不会变化,在前面加will)
6.He come to Shangehai yessterday.(come=过去式came)(他昨天来上海了)
7.We are writing homework.(我们正在写作业)
8.They have read this book three times.(现在完成时)(他们读这本书已经三遍了)