小学英语语法时态讲解与归纳一般现在时讲课稿.doc

小学英语语法时态讲解与归纳一般现在时

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小学英语语法时态讲解与归纳 ~~ 一般现在时

一. 意义：表示经常发生的事情，动作或存在的状态
二. 构成及变化
1.be动词的变化。
肯定句：主语+be(am ,is ,are)+其它。
如：　I am a boy.我是一个男孩。
否定句：主语+ be + not +其它。如：He is not a worker.他不是工人。
一般疑问句：Be +主语+其它。  如：-Are you a student? 　
-Yes. I am. / No, I'm not.
特殊疑问句：疑问词+一般疑问句。如：Where is my bike?

2. 行为动词的变化。
l、当主语为第一，二人称及复数时，助动词为do
肯定句：主语+动词原形(+其它)。如：　We often play basketball after school.
否定句：主语+ don't+动词原形(+其它)。如：we don’t play basketball after school.
一般疑问句：Do +主语+动词原形+其它?
如： Do you often play basketball after school l?   
Yes, we do. / No, we don't.
特殊疑问句：疑问词+以do开头的一般疑问句？
如： What do you often do after school ?
２、当主语为第三人称单数时 ,
助动词为does
肯定句：主语+动词三单式(+其它)。如： He swims well.
否定句：主语+ doesn’t+动词原形(+其它)。如：He doesn’t swim well..
一般疑问句：Does +主语+动词原形+其它。
如：Does he swim well ?
Yes, he does. / No, he doesn't.
特殊疑问句：疑问词+以does开头的一般疑问句？
如： How does your father go to work?
三．第三人称单数的动词变化规则（只有在第三人称为主语的肯定句中，动词才用三单式）
(1)多数动词直接加s:
runs　　gets　　likes　　collets　　takes　　plays　　climbs…….
(2)结尾是s, x, sh, ch, o,前为辅音字母,
结尾加es :　watches　goes　does　washes　 brushes
(3)动词末尾y前为辅音:将y改为i加es:
study→studies fly→flies carry→carries cry→cries
但在y前如果为元音则直接加s:　buys　says
四．时间标志：always总是 , usually经常 , often经常 , sometimes 有时,every…每~

一般现在时练习题（１）
I. 用下列单词的适当形式填空
1. We often___________(play) in the playground.
2.He _________(get) up at six o’clock.
3.__________you _________(brush) your teeth every morning?
4.What________________(do) he usually________________(do) after school?
5.Danny ________________(study) English, Chinese, maths, science and Art at school.
6.Mike sometimes __________(go) to the park with his sister.
7.At eight at night, she __________(watch) TV with his parents.
8.________ Mike________(read) English every day?

Ⅱ单项选择。
( ) 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
Ⅲ改句子
1.Do you often play football after school? (改为肯定句)

2.I have many books.（改为否定句）

3.Gao Shan’s sister likes playing football. （改为否定句）

4.She lives in a small city near New York.（改为一般疑问句）

5.I watch TV every day.（改为一般疑问句）

6.He has four lessons.（改为否定句）

7.A plane is fast.                                                                  
 否定句：                                                                              
一般疑问句：                                                                                   
8.I usually play football on Friday afternoon.
否定句:
一般疑问句:
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