小学英语语法时态讲解与归纳.

小学英语语法时态讲解与归纳—一般现在时

一、一般现在时：

1.表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。

2.表示经常性或习惯性的动作。如：I get up at six every day.我每天六点起床。

3.表示客观现实。如：The earth goes around the sun.地球绕着太阳转。

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 ?

3、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 teaches goes does washes crosses mixes 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 plays stays

(4)不规则变化常见的：have----has

四．时间标志：always , usually , often , sometimes ,every…

一般现在时练习题（１）

一、写出下列动词的第三人称单数

drink ________ go _______ stay ________ make ________

look _________ have_______ pass_______ carry ____

come________ watch______ plant_______ fly ________

study_______ brush________ do_________ teach______

二.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, she __________(watch) TV with her parents.

8.________ Mike________(read) English every day?

9.How many lessons_________your classmates________(have) on Monday?

10.What time_________his mother_________(do) the housework?

三.改句子

1.Do you often play football after school? (改为肯定句)

2.I have some books.（改为否定句）

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

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

5.I watch TV every day.（改为一般疑问句）