初一上册必考英语知识点

初一上册必考英语知识点

初一上册必考英语知识点

1、名词的复数

(1)、一般的直接加s，如desk(desks) 、pen(pens) 、ruler(rulers)

(2)、以x 、s、ch、sh结尾的加es如box(boxes)、class(classes)、watch(watches)等

(3)、以辅音字母加y结尾的要变y为i加es，如

family ,comedy,documentary等

(4)、以0结尾的名词，有生命的加es如：tomato(tomatoes) 、potato (potatoes );没有生命的加s,如

photo(photos)、piano(pianos)、zero(zeros)

2、名词所有格在名词的后边加’s ,表示后面的名词属于前面的名词所有，如LiLei’s bag Tom’s desk 、her mother’s brother

3、专用名词的大写

如English、Brown 、Rush 、Sunday 、January 、December、 Beijing Opera 初一上册重要英语知识点

1、动词的种类(四类)

系动词如be(is am are);情态动词如can 、may、need;助动词( do does);行为动词如take 、bring、eat、have(has)、like、sell、buy、sale、play、see、find、go、watch、thank、think等

2、动词的第三人称单数(与名词的复数一样)

如eat(eats) take (takes) buy (buys) play (plays) have(has) are (is)

3、动词的时态(一般现在时)

( 1)含有系动词的

I’m a Chinese boy .

She is twelve .

He is Tim’s brother .

Her mother is an English teacher .

含有系动词的句子在变一般疑问句时只将“主语和系动词交换位置”，上面句子变成一般疑问句时分别为

Are you a Chinese boy ?(注意第一人称通常变为第二人称)

Is she twelve ?

Is he Tim’s brother ?

Is her mother an English teacher ?

含有系动词的句子在变否定句时只须“在系动词的后边加上not”，前面的几个了陈述句变否定句分别为

I’m not a Chinese boy.

She isn’t twelve .

He is not Tim’s btother .

Her mother isn’t an English teacher .

(2)含有情态动词的句子( can ),

She can play basketball.

His mother’s cousin can sing many English songs.

含有情态动词的句子在变一般疑问句时只须将“主语和情态动词交换位置”，上面两句变一般疑问句分别为

Can she play basketball ?

Can his mother’s cousin sing many English songs ?

含有情态动词的句子在变否定句时直接在情态动词的后边加上not ,上面两个陈述句变否定句分别为

She can not play basketball .

His mother’s cousin can not sing many English songs .

(3)含有行为动词的句子

We have many friends.

They watch TV at 7 in the evening .

The students take their books to school .

I have lunch at school .

You have a sister .

1含有行为动词的句子在变一般疑问句时要在原句子的前面加do.上面的句子变成一般疑问句分别为

Do you have many friends ?

Do they watch TV at 7 in the evening ?

Do the students take their books to school ?

Do you have lunch at school ?

Do you have a sister ?

2含有行为动词的句子在变否定句时只须在行为动词前加don’t .上述五个陈述句变否定句分别为

We don’t have many friends.

They don’t watch TV at 7 in the evening .

The students don’t take their books to school .

I don’t have lunch at school .

You don’t have a sister .

3含有行为动词的句子，当主语是第三人称单数时，行为动词要加s (或es)如：

She has a red pen .

He has eggs for breakfast .

Her mother buys a skirt for her .

She likes thrillers .