四年級英語一般現(xiàn)在時講解加練習(xí)

1、5一般現(xiàn)在時(10.13)一般現(xiàn)在時的定義：表示經(jīng)常性的事情，經(jīng)常性的動作或一般性事實。一般現(xiàn)在時 的標志詞 ： 經(jīng) 常 ， 通常 ， 總是 ，每個， 有時一般現(xiàn)在時的結(jié)構(gòu)： 只有在主語是 時 動詞發(fā)生 “三單變化” ， 其他用動詞的 。三單變化：( 1)直接在動詞詞尾加 ask-askwork-work get-getstay-stay( 2)以字母 _, _, _, _或_結(jié)尾的動詞，在詞尾直接加_watch-watch wish-wish fix-fixdo-dogo- gopass- pass(3)以“輔音字母加- y ”結(jié)尾的動詞，要先變_為_再加 _try- studycry fl

2、y2.不規(guī)則變化：are have二、一般現(xiàn)在時用法1. 表示經(jīng)常性，習(xí)慣性 , 永久性的動作或存在的狀態(tài).通常與副詞sometimes,often, usually, always, every day (year, month ), once (twice, three times) a day等時 間狀語連用。They usually to school by bike.(go)I the medicine three times a day.(take)She her mother once a wee(k. help)Mary s father _ a policeman.(be)T

3、here _ 50 students in my class.(be)2. 表示客觀真理，科學(xué)原理，自然現(xiàn)象，等客觀事實或格言，諺語等。The sun rise_ in the east and sets in the west every day.The man who hashave never been to the Great Wall is not a real man.Tomorrow _ Tuesday.三、一般現(xiàn)在時的句子轉(zhuǎn)換：（ 1 ）當(dāng)句子中有動詞或 動詞時，則把be 動詞或情態(tài)動詞（can,could 等等 ）提到 的前面變成疑問句 ;在 be 動詞或情態(tài)動詞后面加_變成

4、否定句 .例： 陳述句：She is a student.疑問句she a student?否定句She is a student. 陳述句：I can swim.疑問句 you swim否定句I can swim.（ 2） 當(dāng)句子中即沒有_動詞，也沒有_動詞時，則在主語前加助動詞（you,以及復(fù)數(shù)）, （單數(shù)she,he,it）變成問句；在主語后謂語動詞前加 助動詞（I,you,以及復(fù)數(shù)）,（單數(shù)she,he,it）變成否定句，助動 詞后的動詞要變成動詞 。例： 陳述句：We get up at 7:00 every morning.疑問句you get up at 7:00 every m

5、orning?否定句We get up at 7:00 every morning. 陳述句：She has a little brother.疑問句f she a little brother?否定句-She a little brother.（1） 用動詞的適當(dāng)形式填空1. She （go） to school at seven o clock.2. He usually up at 17:00.（get ）3. She （live） in Beijing.4. My father （watch） TV every evening.5. Amy （read） English every d

6、ay?6. Chen Jie sometimes （go）to the park with her sister.（2） .選擇填空7. I wanthomework now. A. doing B. to do C. to do my D. do my8. It's time.A. go to school B. play games C. to go home D. to do my homework9. go and help her. A. Let's me B. Let's us C. Let's D. Let's to10. Do they

7、have a new car? Yes,.A .they are B.they have C. they don't D. they do11. He often supper at 6:00 in the evening.A. have B. has c. is having D. is eating12. We any Chinese classes on Friday.A. are having B. aren t havingC. don t haveD. are have(三) 、用括號內(nèi)動詞的適當(dāng)形式填空。13. He often (have) dinner at home

8、.14. Daniel and Tommy (be) in Class One.15. We (not watch) TV on Monday.16. Nick(not go) to the zoo on Sunday.17. they (like) the World Cup?18. What they often(do) on Saturdays?19. your parents (read) newspapers every day?20. The girl (teach) us English on Sundays.21. She and I (take) a walk togethe

9、r every evening.22. There (be) some water in the bottle.23. Mike(like) cooking.24. They (have) the same hobby.25. My aunt (look) after her baby carefully.26. You always (do) your homework well.27. I (be) ill. I m staying in bed.28. She (go) to school from Monday to Friday.29. Liu Tao (do) not like P

10、E.30. The child often (watch) TV in the evening.31. Wang Kai and Wang li(have) eight lessons this term.32. What day (be) it today? It s Saturday.33. We often(play) in the playgound.34. He (get) up at six o clock.35. you (brush) your teeth every morning.36. What (do) he usually (do) after school?37.

11、Danny(study) English,Chinese,Maths,Science and Art an school.38. Mike sometimes (go) to the park with his sister39. At eight at night, she (watch) TV with his parents.40. Mike(read) English every day?41. How many lessonsyour classmate(have) on Monday?42. What timehis mother(do) the housework?43. Do

12、you often play football after school? (肯定回答)44. I have many books. (改為否定句)45. Gao Shan ' s sister likes playing table tenn改為否定旬)46. She lives in a small town near New York. (改為一般疑問句)47. I watch TV every day. (改為一般疑問句)48. David has got a goal. (改為一般疑問句)49. We have fou門essons .(否定旬)50. Nancy doesn ' t run f4的定句)51. My dog runs fast.一般疑問句： 否定句：52. Mike has two letters for him.一般疑問句：否定句：53. I usually play football on Friday afterno