学习英语语法真的很重要！虽然也许不会与外国人交流，但是你可能会因为编程学习或者阅读英语资料苦恼，既然看到了不如就从现在开始好好学英语吧！Nothing is impossible to a willing heart（有志者事竟成）!
英语五种基本句式?
基本句式一：S? V （主+谓）
基本句式二：S? V? P? （主+系+表）
基本句式三：S? V? O? （主+谓+宾）
基本句式四：S? V? o? O? (主+谓+间宾+直宾）
基本句式五：S? V? O? C? (主+谓+宾+宾补）
句式1：Subject（主语）+Verb（谓语）
The universe remains.? 宇宙长存。
?句式2：S（主语）+ L.V（系动词）+ P（表语）
The food is delicious.? 这个事物好吃。
句式3：S（主语）+ Verb（谓语）+ Object（宾语）
He took his bag and left.? 他拿着书包离开了。
句式4：S（主语）+ V（宾语）+ I.o（间接宾语）+ D.o（直接宾语）
Her father bought her a dictionary.? 她爸爸给她买了一本词典。
句式5：S（主语）+ V（动词）+ O（宾语）+ C（补语）
We made him our monitor.? 我们选他当班长。
Be动词的形式：
be, is, am, are, was, were, being, been?
1.The man is back.
2.They are back.
3.He was back.
4.They were back.
5.They have been back.
be动词的用法
后面接名词、形容词、地点副词或短语作补足语。
1.The man is a teacher.
2.Mary's new dresses are colorful.
3.My monther was in the kitchen.
Be动词的练习
1.他们是老师。（they, teacher)
They are teachers.
2.他以前是一名老师。（he, a teacher, before)
He was a teacher before.
3.他已经当了3年的老师。（for 3 years)
He has been a teacher for 3 years.
?Be动词的否定
在 am, is, 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.
2.I am not back.
3.They aren't back.
4.He wasn't back.
5.They weren't back.
?使用be动词提问和回答
-Is he a teacher?
-Yes, he is./No, he isn't.
-Are you a teacher?
-Were they teachers?
Be动词的练习
1.他是医生吗？（doctor）
Is he a doctor?
不，他不是。
No, he isn't.
2.他们昨天在教室吗？（yesterday，classroom）
Were they in the classroom yesterday?
3.他们昨天不在教室。
They weren't in the classroom.
代词：代替人/事物的名词
主格代词：I, he, she, it, you, we, they
1.I am a teacher.
2.He is a teacher.
3.You are teachers.
宾格代词：me, him, her, it, you, us, them
1.He likes me.
2.We like her.
3.I like them.
练习?
1. 我喜欢它。
I like it.
2.他们认识他。（know)
They know him.
形容词性物主代词：
单数形式：my, your, his/her/its, one's
复数形式：our, your, their
1.This is my book.
2.We love our motherland.
3.Those are your socks.
名词性物主代词：
单数形式：mine, yours, his/hers/its, one's
复数形式：ours, yours, theirs
1.The book is ours.? ?
2.The apple is hers.
练习
1.我的老师是中国人。（teacher，Chinese）
My teacher is?Chinese.
2.这个电脑是他们的。（computer）
This computer is theirs.
3.我们的书在书架上。（on the shelf)
Our?book is on the shelf.
汇总：
| 主格 | 宾格 | 形容词性物主代词 | 名词性物主代词 |
| 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 | theirs |
?反身代词：
myself? ?yourself? ?herself? himself? ? itself? ?yourselves? ?ourselves? ?themselves
反身代词用法
1.Please help yourself to some fish.?
2.We enjoyed ourselves last night.
3.The thing itself is not important.
练习
1.Take good care of (? yourself? ).
2.She gained control of (? herself? ).?
实意动词?
come? ?read? ? ?go? ? watch? ? ?play? ? ? fly
1.He comes from Shenyang.
2.She is reading story books.
3.They went to America yesterday.
4.We have watched the game for three times.
5.My monther will fly back to China next month.
练习
1.他昨天来上海了。
He came to Shanghai yesterday.
2.我们正在写作业。
We are writing homework.
3.他们读这本书已经读3遍了。
They have read this book three times.
使用助动词进行否定
在助动词do does did 后面加not
do not? ?/ don't
does not? / doesn't
did not? / didn't
1.I don't go to school by bus.
2.She doesn't watch TV everyday.
3.They didn't swim last night.
使用助动词进行提问：
1.He often plays golf.
? Does he often play golf?
? Yes, he does./No, he doesn't.
2.They go to school by bus.
? ?Do they go to school by bus.
? ?Yes, they do./No, they don't.
3.Sam had breakfast yesterday.
? ?Did Sam have breakfast yesterday.
? Yes, he did./No, he didn't.
?练习
1.-他每天都学英语吗？（learn English)
? ?-Does he learn English everyday?
? ?-是的，他每天都学英语。
? ?-Yes, he does.
2.Tom昨天没吃早饭。（have breakfast)
Tom didn't have breakfast yesterday.