三单动词的变化规那么 1．一般情况下，直接加-s 2．以s. x. sh. ch. o结尾，加-es 3．以“辅音字母+y〞结尾，变y为i, 再加-es 4、特殊情况have变has 一般现在时用法专练: 一、 写出以下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) 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 照顾、照看) 14. You always _______(do) your homework well. 15. I _______(be) ill. I’m 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 It’s Saturday. 三、按照要求改写句子 1. Daniel watches TV every evening.(改为否认句) ___________________________________________________ 2. I do my homework every day.(改为一般疑问句，作否认答复) ________________________________________________________ ____________________________ 3. She likes milk.(改为一般疑问句，作肯定答复) _______________________________________________________ ____________________________ 4. Amy likes playing computer games.(改为一般疑问句，作否认答复) ________________________________________________________ ____________________________________ 5. We go to school every morning.(改为否认句) _______________________________________________________ 6. He speaks English very well.(改为否认句) ___________________________________________________ 7. John comes from Canada.(对划线局部提问) ___________________________________________________ 8. She is always a good student.(改为一般疑问句，作否认答复) ________________________________________________________ ________________________________ 9、 Simon and Daniel like going skating.(改为否认句) ___________________________________________________ 五、改错(划出错误的地方，将正确的写在横线上) 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 don’t do her homework on Sundays. _________________ 现在分词变化规那么： 1 .一般情况下直接加ing think---thinking sleep---sleeping study---studying speak---speaking say---saying 2 .以不发音的字母e结尾的单词，去掉字母e，再加ing wake---waking make---making come---coming take---taking leave---leaving have---having dance----dancing ride----riding write---writing ※注意※ 这里的e必须不发音，假设发音，那么不能去掉，如see→seeing 3.以重读闭音节结尾，呈现“辅，元，辅〞构造的动词，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，必须同时满足以下三个条件：] １、这个音节必须重读； ２、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〞； ３、在这个“辅元辅〞中的元音字母必须发短音。 stop---stopping sit---sitting run---running forget---forgetting begin---beginning 4. 以ie结尾的动词，把ie改为y ，再加ing lie---lying 以上规那么用一句话概括成的口诀就是：直接 双写 去e，ie变 本文来源：https://www.wddqw.com/doc/6492a20700d8ce2f0066f5335a8102d276a26170.html