初中英语五种时态.ppt
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1、初中英语八种时态 n n一、一般现在时一、一般现在时(simple present tense)n n1.形式形式 一般现在时通常用动词原形来表示。be动词用am、is、are。主语是第三人称单数时动词的变化规律:一般动词后加-s;以s、x、ch、sh结尾,加-es;以辅音字母加o结尾,一般加-es;辅音字母加y结尾,变y为i加-es。n n2 2用法用法用法用法 n n a.a.表示经常发生的动作或现阶段的习惯性行为,常与时间表示经常发生的动作或现阶段的习惯性行为,常与时间状语状语oftenoften,usuallyusually,alwaysalways,every dayevery da
2、y,sometimessometimes,seldomseldom,nevernever等连用。等连用。n nI never do my homework in the evening.I never do my homework in the evening.n nSometimes we play football on the playground.Sometimes we play football on the playground.n nHe seldom listens to music.He seldom listens to music.b.b.表示现在的事实或状态。表示现在
3、的事实或状态。n nChina is a developing country.China is a developing country.n nI like English very much.I like English very much.c.c.表示格言,科学事实和客观真理。表示格言,科学事实和客观真理。Pride Pride goes goes before a fall.before a fall.骄者必败。骄者必败。n nAll thingsAll things are are difficult before they are easy.difficult before the
4、y are easy.凡事总是由难而易。凡事总是由难而易。n nShanghai Shanghai lieslies in the east of China.in the east of China.上海位于中国东部。上海位于中国东部。n nThe teacherThe teacher told told us yesterday that December 25 us yesterday that December 25 is is Christmas Christmas Day.Day.n n3.3.句式句式句式句式n n肯定肯定 否定否定 疑问疑问 回答回答n nHe likes eg
5、gs.He doesnt like eggs.Does he like He likes eggs.He doesnt like eggs.Does he like eggs?Yes,he does./No,he doesnt.eggs?Yes,he does./No,he doesnt.n nI want an apple.I dont want an apple.Do you want I want an apple.I dont want an apple.Do you want an apple?Yes,I do./No,I dont.an apple?Yes,I do./No,I d
6、ont.n n4.4.做题时常见错误如下:做题时常见错误如下:n n一、一、bebe动词与行为动词同时出现在句子中动词与行为动词同时出现在句子中n n例:例:We are plant (plant)the trees in spring.We are plant (plant)the trees in spring.n n二、单三人称形式易出错二、单三人称形式易出错n n例:例:1.1.He plays(play)football very well.2.Danny goes(go)to school at 7:10.He plays(play)football very well.2.Dan
7、ny goes(go)to school at 7:10.n n三、在句式变换时易出错三、在句式变换时易出错n n例:例:1.Does Jenny has(has)a good friend?2.Brian doesnt lives(not live)in 1.Does Jenny has(has)a good friend?2.Brian doesnt lives(not live)in China.China.n n四、对四、对dodo的理解易出错的理解易出错n n例:例:We dont(not do)our homework in the afternoon.We dont(not do
8、)our homework in the afternoon.n n五、对主语的数判断有误五、对主语的数判断有误n n例:例:Li Ming with me are(be)in Beijing.Li Ming with me are(be)in Beijing.n n另外,宾语从句中,从句部分若是表示客观真理,不管主句是何时态,从句另外,宾语从句中,从句部分若是表示客观真理,不管主句是何时态,从句都要用一般现在时;在时间和条件状语从句中,主句表将来,从句要用一般都要用一般现在时;在时间和条件状语从句中,主句表将来,从句要用一般现在时。现在时。n n5.5.中考真题及模拟中考真题及模拟中考真题及
9、模拟中考真题及模拟n n(20092009东城区一模)东城区一模)东城区一模)东城区一模)Mary_ the piano well.She is often asked to play at Mary_ the piano well.She is often asked to play at the concert.A.play B.plays C.playing D.playedthe concert.A.play B.plays C.playing D.playedn n(2009(2009海淀区一模)海淀区一模)海淀区一模)海淀区一模)My mother will take me to
10、the movie if she _ free this My mother will take me to the movie if she _ free this weekend.A.is B.will be C.was D.would beweekend.A.is B.will be C.was D.would ben n(2009(2009崇文区一模崇文区一模崇文区一模崇文区一模)The girls will have a trip if it _fine.The girls will have a trip if it _fine.n nA.is B.was C.will be D.
11、has beenA.is B.was C.will be D.has beenn n(2008(2008北京北京北京北京)Hell send us a message as soon as he _ in Sichuan.Hell send us a message as soon as he _ in Sichuan.n nA.is arriving B.will arrive C.arrived D.arrivesA.is arriving B.will arrive C.arrived D.arrivesn n(20072007武汉)武汉)武汉)武汉)What do you do?Wha
12、t do you do?n nIm an engineer.I _ in a company in Wuhan.I like my job very much.Im an engineer.I _ in a company in Wuhan.I like my job very much.n nA.work B.had worked C.will work D.workedA.work B.had worked C.will work D.workedn n(2006(2006武汉武汉武汉武汉)Is your father a doctor?Is your father a doctor?n
13、n Yes,he is.He_ in Town Hospital.Yes,he is.He_ in Town Hospital.n nA.has worked B.had worked C.works D.workedA.has worked B.had worked C.works D.workedn n(2006(2006陕西陕西陕西陕西)Every year many foreigners _to China to learn Chinese.Every year many foreigners _to China to learn Chinese.n nA.have come B.co
14、mes C.came D.comeA.have come B.comes C.came D.comen n二、现在进行时二、现在进行时(present continuous tense)1构成构成 be(am/is/are)+动词的现在分词n n2 2用法用法用法用法 n n a.a.表示现在正在进行或发生的动作。表示现在正在进行或发生的动作。He is eating an ice cream.He is eating an ice cream.他正在吃冰激凌。他正在吃冰激凌。n nLets wait.The children are crossing the street.Lets wait
15、.The children are crossing the street.n nb.b.表示当前一段时期内的活动或现阶段正在进行的动作(说话时不一表示当前一段时期内的活动或现阶段正在进行的动作(说话时不一定正在进行)。定正在进行)。We are working on a farm these days?We are working on a farm these days?这些天我们在一个农场干活。这些天我们在一个农场干活。c.c.表示位置移动或趋向的词,如表示位置移动或趋向的词,如gogo,come,startcome,start,leave,arrive,moveleave,arrive
16、,move等等常用进行时表将来。常用进行时表将来。He He is leavingis leaving for Shanghai tomorrow.for Shanghai tomorrow.Im comingIm coming!What!What s the score now?s the score now?我就来!现在比分是多少?我就来!现在比分是多少?n nWe are moving to a big house next month.We are moving to a big house next month.下个月我们将搬到一所大房子下个月我们将搬到一所大房子里。里。n nd.d
17、.与与always,constantly,forever always,constantly,forever 等词连用,表示反复发生的动作或持续存等词连用,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。在的状态,往往带有说话人的主观色彩。You are always changing your mind.You are always changing your mind.n n3.3.现在分词的构成规则现在分词的构成规则现在分词的构成规则现在分词的构成规则n n1 1)一般情况,)一般情况,在动词后加在动词后加inging,例词,例词work-workingwork-worki
18、ng,study-studyingstudy-studying,go-goinggo-going2 2)以不发音的)以不发音的e e结尾,去结尾,去e e再加再加-ing-ing,例词,例词have-have-havinghaving,live-livinglive-living,take-takingtake-takingn n3 3)重读闭音节,只有一个辅音字母结尾,双写该)重读闭音节,只有一个辅音字母结尾,双写该辅音字母,再加辅音字母,再加-ing-ing,n n例词例词cut-cutting stop-stoppingcut-cutting stop-stopping,forget-f
19、orgettingforget-forgetting,begin-beginningbegin-beginningn n4 4)以)以ie ie结尾,变结尾,变ie ie为为y y再加再加-ing-ing,例词,例词die-dyingdie-dying,lie-lie-lyinglying,tie-tyingtie-tyingn n4.4.形式形式形式形式肯定句否定句疑问句肯定句否定句疑问句 简要回答简要回答I am studying.I am studying.I am not studying.I am not studying.Am I studying?Am I studying?Ye
20、sYes,I am/NoI am/No,I am not.I am not.n n5.5.一般现在时和现在进行时的区别一般现在时和现在进行时的区别一般现在时和现在进行时的区别一般现在时和现在进行时的区别(1)(1)一般现在时表示经常性或习惯性的动作,现一般现在时表示经常性或习惯性的动作,现在进行时表示正在发生的行为。在进行时表示正在发生的行为。n na.He is cleaning his room now.a.He is cleaning his room now.他在打扫房间。他在打扫房间。n nHe cleans his room every day.He cleans his room
21、 every day.他每天都要打扫房间。他每天都要打扫房间。n nb.They are visiting China.b.They are visiting China.他们正在中国观光。他们正在中国观光。n nThey often come to China for a visit.They often come to China for a visit.他们经常来中国他们经常来中国观光。观光。n n(2)(2)一般现在时表示现在的状态。一般现在时表示现在的状态。n nHe likes He likes jiaozijiaozi.They have a lot of friends.The
22、y have a lot of friendsn n考例:考例:Mr.Smith _ short stories,but he _ a TV play these days.Mr.Smith _ short stories,but he _ a TV play these days.n nA.is writing is writing B.is writing writes A.is writing is writing B.is writing writes n n C.writesis writing D.writes writes C.writesis writing D.writes
23、writesn n6.6.中考真题及模拟中考真题及模拟中考真题及模拟中考真题及模拟n n(2009(2009崇文区二模崇文区二模崇文区二模崇文区二模)Dont turn off the radio.I _ to the news.Dont turn off the radio.I _ to the news.n n A.listen B.have listened C.listened D.am listening A.listen B.have listened C.listened D.am listeningn n(2009(2009朝阳区一模朝阳区一模朝阳区一模朝阳区一模)Have y
24、ou seen Mr.Smith?Have you seen Mr.Smith?n nYes.Look,he _ his bike over there.Yes.Look,he _ his bike over there.n nA.cleans B.cleaned C.is cleaning D.has cleanedA.cleans B.cleaned C.is cleaning D.has cleanedn n(2009(2009海淀区一模海淀区一模海淀区一模海淀区一模)Wheres Susan,Mike?Wheres Susan,Mike?n nShe _ in the kitchen.
25、She _ in the kitchen.n nA.cooks B.cooked C.is cooking D.has cookedA.cooks B.cooked C.is cooking D.has cookedn n(2009(2009西城区一模西城区一模西城区一模西城区一模)Have you got a job offer?Have you got a job offer?n nNot yet.I _.Not yet.I _.n nA.waited B.am waiting C.wait D.was waitingA.waited B.am waiting C.wait D.was w
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