三单动词、现在分词的变化规则及练习题

1、.三单动词的变化规则1一般情况下，直接加-s2以 s. x. sh. ch. o 结尾，加 -es3以“辅音字母 +y”结尾，变 y 为 i, 再加 -es4、特殊情况 have 变 has一般现在时用法专练 :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、用括号内动词的适当形式填空。1. He often _(have) dinner at home.2. Daniel and Tommy _(be) i

2、n 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?7. _ your parents _(read) newspapers every day?8. The girl _(teach) us English on Sundays.9. She and I _(take) a walk together every evening.10. T

3、here _(be) some water in the bottle(瓶子 ) .11. Mike _(like) cooking.12. They _(have) the same hobby.13. My aunt _(look) after her baby carefully. (look after 照顾、照看 )14. You always _(do) your homework well.15. I _(be) ill. Im staying in bed.16. She _(go) to school from Monday to Friday.17. Liu Tao _(d

4、o) not like PE.18. The child often _(watch) TV in the evening.19. Su Hai and Su Yang _(have) eight lessons this term.20. What day _(be) it today?It s Saturday.三、按照要求改写句子1. Daniel watches TV every evening.改(为否定句 )_2. I do my homework every day.(改为一般疑问句，作否定回答 )_3. She likes milk.(改为一般疑问句，作肯定回答 )_4. Am

5、y likes playing computer games.(改为一般疑问句，作否定回答 )_;.5. We go to school every morning.改(为否定句 )_6. He speaks English very well.(改为否定句 )_7. John comes from Canada对.(划线部分提问 )_8. She is always a good student改.(为一般疑问句，作否定回答)_9、 Simon and Daniel like going skating.(改为否定句 )_五、改错 (划出错误的地方，将正确的写在横线上 )1.Is your

6、brother speak English?_2.Does he likes going fishing?_3.He likes play games after class._4.Mr. Wu teachs us English._5.She don t do her homework on Sundays. _现在分词变化规则：1 .一般情况下直接加 ingthink-thinkingsleep-sleepingstudy-studyingspeak-speakingsay-saying2 .以不发音的字母e 结尾的单词，去掉字母 e，再加 ingwake-wakingmake-makin

7、gcome-comingtake-takingleave-leavinghave-havingdance-dancingride-ridingwrite-writing注意这里的 e 必须不发音，若发音，则不能去掉，如 seeseeing3.以重读闭音节结尾，呈现“ 辅，元，辅 ”结构的动词，先 双写末尾的辅音字母，再加 ing要判断一个单词是否是重读闭音节， 必须同时满足下列三个条件： 、这个音节必须重读；、这个单词结尾必须是“辅元辅”，即“辅音字母元音字母辅音字母”；、在这个“辅元辅”中的元音字母必须发短音。stop-stoppingsit-sittingrun-runningforget

8、-forgettingbegin-beginning4. 以 ie 结尾的动词，把 ie 改为 y ，再加 inglie-lying以上规则用一句话概括成的口诀就是： 直接 双写 去 e，ie 变 y ing一. 写出下列动词的现在分词形式;.work_ sing_play_study_have _dance _write_ _take_run_ sit_ shop_swim_lie_把下列动词变成现在分词：如： clean-cleaning1)do-2)skip-3)sing-4)cut-5)dance-6) take-7)have-8)jump-9)swim-10)run-11)make-12)use-13)give-14)help-15)watch-16)put-17)close-18)open-19)buy-20)talk-(附答案： 1.doing2.skipping3.singing4.cutting5.dancing6.taking7.havin