一般现在时和现在完成时讲解练习答案

一般现在时

一、概念

表示现在经常发生的动作、存在的状态或习惯性的动作。

二、动词词型变化形式

第三人称有词形变化，其他人称动词均用原形

单数第三人称动词变化：

a.多数在动词后加s play—plays like—likes ,

b.以s，x，sh，ch结尾的动词加es

miss-misses, fix-fixes, wash--washes, watch-watches

c.以辅音字母+o结尾的动词加es go—goes do—does

d.以辅音字母加y结尾，把y改i再加es fly—flies study--studies

三. 一般现在时的句型

1.肯定句构成：主语+动词 (注意人称变化) +其它成分

I have a dog. We like the little cat. She sings well.

2.否定句构成：

行为动词的否定句：主语+助动词(do/does) + not +动词原形+其它成分

He dosen’t have a dog. He isn’t young. We don’t like the little cat.

(借助于助动词do) She doesn’t sing well. (借助于助动词does)

3.一般疑问句：

A.行为动词的一般疑问句：助动词(do/does)+主语+动词原形 + 其它成分

Do you like it? Yes, I do. / No. I don’t .

Does he(she) like it? Yes, he( she )does. / No, he ( she )doesn’t.

B. 动词be 的一般疑问句Am / Is /Are +主语 + 其它成分

Are you a teacher? Yes, I am. / No, I am not.

Are they students of your school.Yes they are / No they aren’t.

4.特殊疑问句：特殊疑问词 + 一般疑问句

How many students are there in your school?

What do you usually do on Sunday?

四．一般现在时的用法

1.经常性或习惯性的动作，常与表示频度的时间状语连用。如：

every year, sometimes, at 5 o’clock, on Sunday.

I get up at six o’clock every day.

He gets up at six o’clock every day.

She smokes too much.

I telephone to my parents once a week.

2.表达客观真理，科学事实。如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。

Three and four makes seven.

The teacher told us that the earth moves around the sun.

Shenyang lies in the north of China.

3.在格言或名言警句中。

Pride goes before a fall. 骄必败。

Actions speak louder than words.事实用于雄辩。 4.表示现在的状态、性格、个性。

I don’t want more, thanks.

He is a good student. He is always ready to help others.

一般现在时表将来

1.含有go, come, return, arrive, leave, start, begin等动词的一般现在时表将来。表示在时间上已确定或安排好的事情。

The school bus leaves at eight .

2.在时间或条件句中。

When Tom comes, ask him how to fix the tap.

I’ll help you as soon as I arrive there.

3.在动词hope, take care that, make sure that等后。

练习

一.用词的适当形式填空。

1.What time_________ his father_________(do) the work?

2.He _________(get) up at five o’clock.

3.__________ you _________(brush) your teeth every morning.

4.What ________ ( do ) he usually ________( do ) after school?

5.Tom ________ ( study ) English, Chinese, Maths, Science and Art at school.

6. Kitty sometimes __________(go) to the park with his sister.

7.At eight at night, she __________( watch ) TV with her parents.

8. ________ Mike________( read ) English every day?

9.How many lessons________ your classmates______( have ) on Monday?

10.We often___________ ( play ) football in the playground.

二．选择

( ) 1. _____ you have a book?

A. Do B. Are C. Is D. Have

( )2. They _________ on a farm.

A. working B. is work C. work D. is worked

( ) 3. Does Peter like to watch TV?

__________.

A. Yes, he like B. No, he doesn’t C. Yes, he’d like D. No, he likes

( )4. She doesn’t __________ her homework in the afternoon.

A. doing B. to do C. does D. do

( )5. How ____________ Mr. Brown ___________ to America?

A. do,go B. is,go C. does,go D. does,goes

( )6. Where’s my camera? I____________ it.

A. am not finding B. am not seeing C. can’t find D. can’t look at

( )7. How ___________ he go to work?

He ___________ to work by bike.

A. does ;go B. do;goes C. do ;go D. does;goes

( )8. ______ you usually late for school? No, _____________.

A. Do ; I am B. Does ;not C. Are ; I’m not D. Are ; I aren’t

( )9. _____ she _____ home at six every day?

A. Is , leave B. Does , leave C. Is , leaves D. Does , left

( )10. Mr. Yang ____________ English this term.

A. teaches our B. teaches us C. teachs us D. teach our

答案：一.1.does, do 2. gets 3. Do, brush 4. does, do 5. studies 6. goes

7. watches 8. Does, read 9. do, have 10. play

二.1---5 A C B D C 6---10 C D C B B

现在进行时

定义：

现在进行时的定义：现在进行时表示现在或当前一段时间正在进行的动作。可以表示有计划的未来，也就是用现在进行时表示将来。

构成：

现在进行时的构成是:主语+be+v.ing〔现在分词〕形式

肯定句:主语+be（is/am/are）+现在分词

否定句：主语+be（is/am/are）+not+现在分词

一般疑问句:be（is/am/are）+主语+现在分词

特殊疑问句：特殊疑问词+相应be动词+主语+现在分词+sth

变化规则：

1.直接+ ing(例：sleep+ing sleeping)

2.以不发音的e结尾的去掉e,再+ing(例：bite-e+ing biting)

3.重读闭音节，且末尾只有1个辅音字母，双写辅音字母+ing

(例：sit+t+ing sitting 另cut -- cutting begin --beginning )

4.特殊变化：die-dying,lie-lying，tie-tying

时间状语：

可用来表示现在进行时的时间状语，常用的有：now, this week, at this

moment 等；或者告诉你一个准确的现在时间，或者用look, listen提醒听者注意正在发生的事。

例如：

Listen! She is singing an English song.听，她正在唱英语歌。

Look at the picture. The children are flying kites in the park.看这幅图。那些孩子正在公园放风筝。

用法：

1．最基本的用法是表示此刻正在进行或发生的动作，通常和时间状语now、at the moment等连用。