现在完成时讲解练习答案

现在完成时讲解练习答案

专题动词的时态：主讲现在完成时

一、一般现在时：

概念：经常、反复发生的动作或行为及现在的某种状况或是客观存在。

时间状语：often,usually,always,sometimes,every week(day,year,month…),

once a week,on Sundays,…

基本结构：

①主+be动词am/is/are+表语I am a boy He is a boy You are a boy

②主+动词原形或三单+宾语I like swimming He likes swimming You like swimming

需要你注意的是无论何时何地，第三人称单数做主语，动词要变化（三+单）

练习：语法概念：主语是第一人称单数，动词_______（要/不要）变化

语法概主语是第二人称单数，动词_______（要/不要）变化

语法概念：主语是第三人称单数，动词_______（要/不要）变化

语法概念：主语是第一人称复数，动词_______（要/不要）变化

语法概念：主语是第三人称复数，动词_______（要/不要）变化

用go的适当形式填空

I usually ____ to school by bus. We usually _____ to school by bus.

You usually ____ to school by bus. He usually _____ to school by bus.

They usually _____ to school by bus. Does he usually ___ to school by bus?

二、一般过去时

概念：表示现阶段或说话时正在进行的动作及行为。

时间状语：ago,yesterday,the day before yesterday,last week(year,night,month...),

in 1989,just now,at the age of 5,one day,long long ago,once upon a time,…

基本结构：

①主+be过去式was/were+表I was a student

10 years ago You were a student 10 years ago

②主+行为动词过去式+宾语I played computer games yesterday I did my homework just now 动词的过去式一定要记全，这是基本

练习：写出下列动词的过去式

build______ choose_______ bring______ buy______ feel_____ hear______

sleep______ keep_________ think______ leave_____ throw______ put______

1. Paul ant I tennis yesterday. He did much

better than I.

A. play

B. will play

C. played

D. are playing

2. What did you____for dinner last night.

A. eats

B. eating

C. eat

D. ate

3. He fell down and______ injured yesterday.

A. get

B. got

C. gets

D. getting

4. I_____ and told my mother that I ______ by somebody.

A. cry; hit

B. cried; was hit

C. cries; was hit

D. cried; hit

三、现在进行时

概念：表示现阶段或说话时正在进行的动作及行为。

时间状语：now,at this time,these days,… 其他提示词：look, listen

基本结构：

主+be（am/is/are）+ving 宾语I am doing my

homework. They are doing their homework

注意某些动词要去e（大部分e不发音）某些动词要双写最后的字母（重读闭音节+辅元辅）

练习：语法概念：用be的正确形式填空

I____ He_____ She____ You____ They_____ We____ Boy____ Boys_____

1. Jack is_____ with Jim .They are good____.

A. running friend;

B. running; friends;

C. ru nning friends

D. run; friends

2. The children are____ TV.

A. watch

B. seeing

C. watching

D. reading

3. Look, the boy__________(run)fast

4.

What are you doing? ----I_________(do) my ho mework.

5. ____ he doing his homework now?

6.

the students; prepare for; an English test; now; (