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1、精选优质文档-倾情为你奉上一.一般现在时的用法 1) 经常性或习惯性的动作,常与表示频度的时间状语连用。 时间状语,如:often, usually, sometimes, always, never, hardly ever(几乎不), every(Sunday, evening, day等), at(seven等,表在几点钟), at noon ,at night, on (Sunday, Sundays等),in the morning/afternoon/evening等。eg: We always help each other. It often snows in winter.

2、I get up early every morning. I leave home for school at 7 in the morning. 2) 表示客观、普遍真理,科学事实。eg: Two and four makes(等于) six. Water boils(沸腾) at 100 The moon moves round (围绕)the earth. Shanghai lies (位于)in the east of China.3) 表示格言或警句中。如:Pride goes before a fall. 骄者必败。 注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也

3、要用 一般现在时。 例:Columbus(哥伦布) proved(证明) that the earth is round. 4) 现在时刻的状态、能力、性格、个性。eg: He loves sports. /She likes apples. Jane is a lovely(可爱的)girl. They speak Japanese,Ann writes good English but does not speak well. 5) 一般现在时的否定式是do not(dont)或does not (doesnt)动词原形来构成的,be动词做谓语动词只需在be后加not构成否定。 eg: I

4、 dont like oranges at all. She doesnt work in the TV station. They arent students. Im not busy every weekend.6) 一般现在时的疑问句一般以在句首加助动词do,does的方式构成。第三人称单数加does,其他加do,这时动词一概用原形;动词be只需与主语位置对调就行了。 eg: Do you like English? Do they have story books? What does she do every evening? Is she at home? Are you goo

5、d at English?肯定式 疑问式 否定式 否定疑问式 I work. Do you work? I do not work. Don't you work? You work. Do you work? You do not work. Don't you work? We work. Do you work? We do not work. Don't you work? They work. Do they work? They do not work. Don't they work? He(She,It) works. Does he(she,i

6、t) work? He(She,It) does not work. Doesn't he(she it) work一般现在时的动词变化:一般现在时主要用动词原形表示,但第三人称单数后要加词尾-s,另外be和have有特殊的人称形式。在加词尾-s时要注意:情况加法例词一般情况加-sreads, writes, says以ch, sh, s, x, 或o收尾的词加-esteaches, washes, guesses, fixes, goes以“辅音字母+y”结尾的词变y为i再加-estrytriescarrycarries读音:情况读法例词在ptkf等清辅音后shelps, hates

7、, asks, laughs在sztd3等音后izfaces, rises, wishes, watches, urges在其他情况下zplans, cries, shows用括号里的动词的适当形式填空: 1. He (go)_to the park every day. 2. My uncle (live)_ in Nanjing now. 3. Li Lei(not like)_ to drink orange soda. 4. The girl (go)_ home at 4:30 in the afternoon. 5. Jim (not ride)_his bike often. 6

8、. Tom (not do)_the morning exercises often. 7. I (be)_ hungry(饿) and my sister (be)_ thirsty. (渴) 8. Mr. Li (teach)_ the second grade. 9. David (study)_Chinese and I (study)_ English. 10. The game(游戏) (be)_ interesting(有趣的). 11. Many children (be)_ on the playground(操场). 12. He (have)_ a good time a

9、t your party. 二. 现在进行时: 1. 动词变化:现在进行时由“am /is /are动词现在分词”构成。加-ing的规则如下:(1)一般在动词原形末尾加-ing。如: staystayingdodoing listenlistening suffersuffering(忍受;遭受) workworking spendspending looklooking speakspeaking(2)以不发音的字母e结尾的动词,先去掉e,再加-ing。如: makemaking taketaking givegiving rideriding pleasepleasing(使喜欢;使高兴)

10、 refuserefusing closeclosing(关;结束) operateoperating(操作;动手术)(3)以一个辅音字母结尾的重读闭音节词,先双写这个辅音字母,再加-ing。如: putputting(放;安置) sitsitting runrunning winwinning(赢;获胜) beginbeginning 2. 现在进行时的用法 (1)表示说话时正在进行或发生的动作,这时可以不用时间状语,也可以和now, at present, at the moment等时间状语连用。有时用一个动词,如look(看),listen(听)。eg: What are you re

11、ading now? We are waiting for you. Listen! Someone is singing in the classroom. (2)表示当前一段时期的活动或现阶段正在进行的动作或习惯进行:表示长期的或重复性的动作,说话时动作未必正在进行。 eg: They are working in a factory(工厂)these days. More and more people are giving up smoking.(放弃抽烟) Mr. Green is writing another novel. (说话时并未在写,只处于写作的状态。) She is l

12、earning piano(弹钢琴) under Mr. Smith.(3)表示最近按计划或安排要进行的动作。 现在进行时有时可表示一个在最近按计划或安排要进行的动作,即可以用来代替将来时。 eg: When are you leaving? Are you going to Tibet tomorrow? (4)表示渐变的动词有:get, grow, become, turn, run, go, begin 等。eg: The leaves are turning red. It's getting colder and colder.*(5)与 always, constantly

13、, forever 等词连用,表示反复发生的动作或持续存在的状态,往往带有说话人的主观色彩。 You are always changing your mind. 典型例题 My dictionary _, I have looked for it everywhere but still_ it. A. has lost, don't find B. is missing, don't find C. has lost, haven't found D. is missing, haven't found.前句是一个仍在持续的状态,应用进行时,由于没有找到,

14、其影响仍然存在,应用完成时,瞬间动词用于否定式时可用于完成时。 3. 现在进行时的否定句和疑问句比较简单。否定句在be(am, is, are)后面加not;疑问句把be动词移到主语前。 eg: I am not working. What are you reading now? How are you feeling today? The train isnt arriving soon. 选择题1. Some boys are _ in the river and some girls are _ games.A. swiming, playing B. swimming, plaiin

15、gC. swimming, playing D. swimming, plaing2. Look! The boy students are _ football while the girls are _. A. playing, dance B. playing, dancing C. play, dancing D. play, dance3. He_ to do his lessons at fight every eveningA. is beginning B. is beginning C. begin D. begins4.我在照看孩子.(A)I am looking afte

16、r the baby. (B)I'm look aftering the baby.(C)I look am aftering the baby. (D)I looking after the baby.5.Look! The twins_their mother do the housework.(A)are wanting (B)help (C)are helping (D)are looking6.Is she_something? (A)eat (B)eating (C)eatting (D)eats7.你在干什么?(A)What is you doing? (B)What a

17、re you do?(C)What are you doing? (D)What do you do?8. Listen! She_in the classroom. (A)is singing (B)sing (C)to sing (D)is sing9-._are you eating? -I'm eating_meat.(A)What, some (B)Which, any (C)Where, not (D)What, a10. They are flying kites.(A)他们喜欢放风筝. (B)他们在放风筝吗?(C)他们在放风筝. (D)他们常放风筝.易混时态辨析: 一般

18、现在时与现在进行时的区别一般现在时是表示现在经常性、习惯性的动作,或现在的状态,强调长期性、稳定性;而现在进行时是指现在此刻或现在这一时期内正在进行的动作,强调暂时性、不稳定性;例如:She is an Englishwoman.(现在的状态) We are working on the farm these days. (表示现在这期间的动作,这几天暂时在农场上帮忙)Tom plays tennis every Sunday. (经常性、习惯性的动作)Wheres Tom? -He is playing tennis. (正在进行的动作)再如:What do you do? 你是干什么工作的?(经常性、习惯性的动作)What are you doing

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