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1、四种基本时态总结一、 一般现在时 1.概念：经常、反复发生的动作或行为 现在的某种状况 表示普遍真理或客观事实 2.时间状语： Always, usually, often, sometimes, every week (day, year, month), once a week(day, year, month), on Sundays, 3.基本结构：动词 原形 （如主语为第三人称单数，动词上要改为第三人称单数形式） 4.否定形式：主语+am/is/are +not+其他; 此时态的谓语动词若为行为动词，则在其前加dont, 如主语为第三人称单数，则用doesnt，同时还原行为动词。 5
2、.一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。 6.例句：. It seldom snows here. He is always ready to help others. Action speaks louder than words.二、 一般过去时 1.概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。 2.时间状语：ago, yesterday, the day before yesterday, last week, last(year, night, month), in 1989, just no
3、w, at the age of 5, one day, long long ago, once upon a time, etc. 3.基本结构：be动词；行为动词 的过去式 4.否定形式：主语+was/were +not+其他;在行为动词前加didnt，同时还原行为动词。 5.一般疑问句：was或were放于句首；用助动词do的过去式did 提问，同时还原行为动词。 6.例句：She often came to help us in those days. I didnt know you were so busy.三、 现在进行时 1.概念：表示现阶段或说话时正在进行的动作及行为。 2.
4、时间状语：Now, at this time, days, etc. look. listen 3.基本结构：主语+be +doing +其他 4.否定形式：主语+be +not +doing+其他 5.一般疑问句：把be动词放于句首。 6.例句： How are you feeling today? He is doing well in his lessons.四、 一般将来时 1.概念：表示将要发生的动作或存在的状态及打算、计划或准备做某事。 2.时间状语：Tomorrow, next day(week, month, year),soon, in a few minutes, by,t
5、he day after tomorrow, etc. 3.基本结构：主语+am/is/are +going to + do+其他；主语+will/shall + do+其他 4.否定形式：主语+am/is/are not going to do ；主语+will/shall not do+其他 5.一般疑问句：be放于句首；will/shall提到句首。 （第一人称I/we用shall） 6.例句：They are going to have a competition with us in studies. It is going to rain.四种基本时态练习一、写出下列动词的第三人称
6、单数：drink _ go _ stay _ make _look _ have_ pass_ carry _come_ watch_ plant_ fly _study_ brush_ do_ teach_二、写出下列动词的现在分词：sit _ run_swim_make_go_ like_ write_ read_have_ sing _ dance_ put_see_ buy _ love_ live_take_come_get_begin _三、写出下列动词的过去式isam_ fly_ plant_ are _drink_ play_ go_ make _does_ dance_ wo
7、rry_ ask _taste_ eat_ draw_ put _throw_ kick_ pass_ do _四、用括号内动词的适当形式填空。1. He often _(have) dinner at home.2. David and Tom _(be) in Class One.3. Mike _(not go) to the zoo on Sundays.4. What _they often _(do) on Saturdays?5. Mike _(like) cooking.6. You always _(do) your homework well.7. I _(be) ill.
8、 Im staying in bed.8. The child often _(watch) TV in the evening.9.The boy _ ( draw)a picture now.10. Listen .Some girls _ ( sing)in the classroom .11. What _ you _ ( do ) now?12. Look . They _( have) an English lesson .13.They _(not ,water) the flowers now.14.What is our granddaughter doing? She _(
9、listen ) to music.15. Its 5 oclock now. We _(have)supper now16._Helen_(wash )clothes? Yes ,she is 17. Today is a sunny day. We _ (have) a picnic this afternoon.18. My brother _ (go) to Shanghai next week.19. Tom often _(go) to school on foot. But today is rain. He _ (go) to school by bike.20. What d
10、o you usually do at weekends? I usually _ (watch) TV and _(catch) insects?21. Its Friday today. What _she _ (do) this weekend? She _ (watch) TV and (catch) insects.22. What _ (do) you do last Sunday? I _ (pick) apples on a farm.What _ (do) next Sunday? I _ (milk) cows.23. Mary _ (visit) her grandpar
11、ents tomorrow.24. Liu Tao _ (fly) kites in the playground yesterday.25. David _ (give) a puppet show next Monday.26. I _ (plan) for my study now.27. I _ (watch) a cartoon on Saturday.58. Her father _ (read) a newspaper last night.29. We _ to zoo yesterday, we _ to the park. (go)30. _ you _ (visit) y
12、our relatives last Spring Festival?31. What _ she _ (find) in the garden last morning?She _ (find) a beautiful butterfly.32. It _ (be) Bens birthday last Friday.33. We all _ (have) a good time last night.34. She likes _ newspapers, but she _ a book yesterday. (read)35. He _ football now, but they _ basketball just now. (play)四、按照要求改写句子1. David watches TV ev
