.三單動詞的變化規則1一般情況下，直接加-s2以s. x. sh. ch. o結尾，加-es3以“輔音字母+y”結尾，變y為i, 再加-es4、特殊情況have變has一般現在時用法專練: 一、 寫出下列動詞的第三人稱單數 drink _ go _ stay _ make _ look _ have_ pass_ carry _ come_ watch_ plant_ fly _ study_ brush_ do_ teach_ 二、用括號內動詞的適當形式填空。 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? 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. There _(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 照顧、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 _(do) 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? Its Saturday. 三、按照要求改寫句子 1. Daniel watches TV every evening.(改為否定句) _ 2. I do my homework every day.(改為一般疑問句，作否定回答) _ _ 3. She likes milk.(改為一般疑問句，作肯定回答) _ _ 4. Amy likes playing computer games.(改為一般疑問句，作否定回答) _ _ 5. We go to school every morning.(改為否定句) _ 6. He speaks English very well.(改為否定句) _ 7. John comes from Canada.(對劃線部分提問) _ 8. She is always a good student.(改為一般疑問句，作否定回答) _ _ 9、 Simon and Daniel like going skating.(改為否定句) _ 五、改錯(劃出錯誤的地方，將正確的寫在橫線上) 1. Is your brother speak English? _ 2. Does he likes going fishing? _ 3. He likes play games after class. _ 4. Mr. Wu teachs us English. _ 5. She dont do her homework on Sundays. _現在分詞變化規則：1 .一般情況下直接加ingthink-thinking sleep-sleeping study-studyingspeak-speaking say-saying2 .以不發音的字母e結尾的單詞，去掉字母e，再加ingwake-waking make-making come-comingtake-taking leave-leaving have-havingdance-dancing ride-riding write-writing注意 這里的e必須不發音，若發音，則不能去掉，如seeseeing3.以重讀閉音節結尾，呈現“輔，元，輔”結構的動詞，先雙寫末尾的輔音字母，再加ing要判斷一個單詞是否是重讀閉音節，必須同時滿足下列三個條件：、這個音節必須重讀；、這個單詞結尾必須是“輔元輔”，即“輔音字母元音字母輔音字母”；、在這個“輔元輔”中的元音字母必須發短音。 stop-stopping sit-sitting run-running forget-forgetting begin-beginning4. 以ie結尾的動詞，把ie改為y ，再加ing lie-lying以上規則用一句話概括成的口訣就是：直接 雙寫 去e，ie變y ing一. 寫出下列動詞的現在分詞形式work_ sing_ play_ _ study_have _ dance _ write_ _ take_run_ sit_ shop_ swim_lie_把下列動詞變成現在分詞：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.doing 2.skipping 3.singing 4.cutting 5.dancing 6.taking 7.having 8.jum