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。
2、 5.一般疑问句: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 words7.动词加 s 的规则:(用于第三人称单数后)(1)直接在动词后 +s 例如:like- likes play-plays( 2)以 s, x, sh, ch, 接尾的动词:+es 例如:wash-washes (3)以辅音 +o 接尾的动词:+es 例如:go-goes (4)以辅音
3、 +y 接尾的动词:变 y 为 i+es 例如:fly-flies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 now, 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;
4、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.7. 动词的过去式构成规则:(规则变化) 发音规则:1 一般动词在词尾加上 ed 。如:worked , washed played2 以 e 结尾的动词在词尾加上 d. 如 :used, lived 3 以辅音字母和 y 结尾的动词改 y 为 i ,再加上 ed . 如:studied
5、, emptied 4 末尾只有一个辅音字母的重读闭音节词(辅元辅结构) ,双写最后的辅音字母,再加 ed 如:stopped 在浊辅音和元音后面读/d/在清辅音后面读/t/ 在/t/ 和/d/后面读/id/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.时间状语: Now, at this time, days, etc. look. listen3.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 d
6、oing well in his lessons.7.动词加 ing 的规则:1)一般情况下直接加 ingthink-thinking sleep-sleeping study-studying speak-speaking2)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-having3)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 初中学过的这类词有:begin,cut, get, hit, run, set
7、, sit, spit, stop, swim, beg, drop, fit, nod, dig, forget, regret, rid, 等。 注意: visit 不是以重读闭音节结尾,不用双写 1travel 虽然重读第一音节,词尾音节不重读,但是现在分词仍要双写末尾辅音字母, 2然后再加 ing ,如:travel-travelling.初中阶段此类词只有这一个。 4)以 y 结尾的动词 直接加 ing carry carrying enjoy enjoying 5)以 ie 结尾的动词,把 ie 改为 y ,再加 ing die-dying lie-lying 四、 一般将来时1.
8、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,the 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/
9、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_se
10、e_ 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_ worry_ 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.
11、What _they often _(do) on Saturdays?5. Mike _(like) cooking.6. You always _(do) your homework well.7. I _(be) ill. 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 .
12、 They _( have) an English lesson .13.They _(not ,water) the flowers now.14.What is our granddaughter doing? She _(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 S
13、hanghai next week.19. Tom often _(go) to school on foot. But today is rain. He _ (go) to school by bike.20. What do 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
14、 last Sunday? I _ (pick) apples on a farm.What _ (do) next Sunday? I _ (milk) cows.23. Mary _ (visit) her grandparents 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.
15、 Her father _ (read) a newspaper last night.29. We _ to zoo yesterday, we _ to the park. (go)30. _ you _ (visit) your 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)