初中八种英语时态精讲精练

一 般 现 在 时

一、用法

1．表示经常发生的动作、行为或存在的状态。

常用的时间状语有：often, usually, always, every day/week/month/year, sometimes, seldom，once a week, twice a week, on Sundays等。 I go to school every day.

2．表示主语的身份或特征。His father is a doctor. Tom is tall.

3．表示一种客观事实或普遍真理。The earth is round. The sun is bigger than the moon.

4．在条件状态从句和时间状语从句中，用一般现在时表示将来。

If you don’t go soon, you’ll be late. 如果你不快去的话，你就要迟到了。

二、构成

动词一般现在时，除主语为单数第三人称以外，谓语动词一律用原形，若主语为第三人称单数，则谓语动词的词尾应发生变化（加-s或-es）。

1．在动词原形后加-s run→ runs

2．以ch, sh, s, o, x结尾的动词后加-es guesses, fixes, teaches, washes, goes

3．以辅音字母+y结尾的动词，先将y变为i，再加-es try→ tries

4．以元音字母+y结尾的动词后加-s stay→ stays 5. have-has

三、一般现在时的句型变化。

1. 肯定句

（1）主语+ am / is / are +表语They are new students. I am tall. He is from Japan.

am is are 用法口诀：I用am，you 用are，is 连着他、她、它；单数用is , 复数一律都用are。

（2）a. 主语+实义动词+其它 I read English every morning.

b. 单三人称主语+实义动词单三人称+其它He usually goes to school by bike.

2. 否定句

（1）主语 +am / is / are + not +表语 She is not a nurse.

（2）a. 主语 +don’t +动词原形 +其它如：I don’t play soccer after school.

b.单三人称主语+doesn’t +动词原形+其它 He doesn’t go to the park after school.

3. 一般疑问句

（1）Am / Is / Are +主语 +表语？ Is your mother a teacher?

（2）a. Do + 主语 +动词原形 +其它 ？ Do you speak English?

b. Does +单三人称主语+动词原形+其它？Does your brother have a wide mouth?

4. 特殊疑问句 特殊疑问词 +一般疑问句？What time does your mother get up every day?

专项练习题

一、写出下列动词的第三人称单数形式

1. study ________ 2. play ________3. watch _____ 4. wash _______5. have _______

6. ride _______7. take _______8. worry_______9. help _______10. say ________

11.put ________12. teach ________13. fly ________14. eat ________15. go _______

16. guess ______17. read _______ 18. do _______19. call ________20. cry ________

1-5 studies, plays, watches, washes, has 6-10. rides, takes, worries, helps, says 11-15 puts, teaches, flies, eats, goes 16-20 guesses, reads, does, calls, cries

二、用所给动词的适当形式填空

1. He often ______(have) dinner at home. 2. Daniel and Tommy _____(be) in Class One.

3. We _______(not watch) TV on Monday. 4. Nick ______(not go) to the zoo on Sunday.

5. _____ they ____(like) the World Cup? 6. What ____they often ____(do) on Saturdays?