七年级英语上册语法突破

1、七年级英语上册语法突破一名词 (一) 可数名词可数名词可以用数词表示数量：例：one car two cars three cars 可数名词有单数形式或复数形式： 单数： a pen my pen the pen 复数： pens two pens the pens some pens many pens 等例句：1. I have got a map . 2. There arent many maps on the wall. 3. Some maps are on the wall. （二）不可数名词 例如：hair（头发），homework，rice，money，music等 这些不

2、可数名词不可以用数词修饰。 不可数名词只有单数形式： water the water my water some water much water 等例句：1. Ive got some milk. 2. There isnt much milk in the bottle. 3. Milk is good for your health. 不可数名词前不可用a/an，但是 a piece of / a glass of 等+不可数名词是可以的。例： a piece of bread -two pieces of bread a cup of tea -three cups of tea (三

3、)a/an 与some 的比较 a/an+单数形式的可数名词：1. I need a new car. 2. Would you like an apple? some+复数形式的可数名词：1. I need some new books. 2.Would you like some bananas? some +不可数名词：1. I want some money. 2. Would you like some tea?二代词（一）人称代词 主格：I we you he she it they 宾格：me us you him her it them 例句： 主格 宾格 I know Luc

4、y. Lucy knows me. We know Lucy. Lucy knows us. You know Lucy. Lucy knows you. He knows Lucy. Lucy knows him She knows Lucy. Lucy knows her. They know Lucy. Lucy knows them.人称代词表示物体：1. I dont want this book. So you can have it.2. I dont want these books. So you can have them.3. Jill never drinks milk

5、. Because she doesnt like it.4. I never go to parties. Because I dont like them. 代词宾格用于介词之后：1. This book isnt for me. Its for you.2. Who is that woman? Why are you looking at her?3. We are going to the cinema. Do you want to go with us?4. Ann and Kate are going to the cinema. Do you want to go with

6、them?5. -Where is my bag?-You are sitting on it.人称代词作直接宾语直接跟在主语之后，间接宾语之前则加to： I want that book. Please give it to me. (it为直接宾语 ，me 为间接宾语)（二）物主代词 1.形容词性物主代词： I- my I like my hat.we-our We like our hats.you-your You like your hat.he-his He like his hat.she-her She likes her hat.it-its It likes its hat

7、.they-their They like their hats.总结：my/your/his/her/its/our/your/their+名词： my hands his mother her new car our houses your best friend their rooms2. 名词性物主代词：mine ours yours his hers its theirs 主格形容词性物主代词名词性物主代词 句式比较 I we you he she ittheymyouryourhisheritstheirmineoursyourshishersitstheirsIts my boo

8、k. Its mine.Its our book. Its ours. Its your book. Its yours.Its his book. Its his.Its her book. Its hers.Its its book. Its its.Its their book. Its theirs.物主代词用法：1. my/their 等+名词：My hands are cold. Jill gives me her book. Its their classroom. 2. 名词性物主代词后不跟名词：Is this book mine or yours? (=my book or your book)I dont have a pen.So Ann gave me hers. (=her pen)This is not her schoolbag. Hers is behind the chair. (=her schoolbag)l his 做形容词性物主代词时，加名词。His做名词性物主代词时，不加名词：Is this his camera or hers? Its his. (=his camera)l 名词性物