英语时态及相关习题大全课件.ppt
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1、初中八种时态初中八种时态时态学习是英语学习重点,是学习其他语法的基础,应与重点学习。一般现在时态(一)定义表示经常性或习惯性的动作,或存在的状态,还表示主语具备的性格和能力及客观真理。例:I get up at 6:30 in the morning.She is at home.(二)构成 主要用动词原形表示,当主语是第三人称单数时,在动词词尾加s/es。(三)句型 1、肯定句:主语+谓语+其他。She reads English everyday.2、否定句:主语+dont/doesnt+谓语+其他。He doesnt get up at 6:30 in the morning.3、一般疑
2、问句:Do/Does+主语+V原+其他?Do you like English?Yes,I do./No,I dont.一般现在时态4、特殊疑问句:特殊疑问词+do/does+主语+V原+其他?What time do you get up every morning?Where does your father work?(三)用法 1、表示经常性或习惯性的动作,或存在的状态,带与表示频率的时间状语如:often,sometimes,usually,always,everyday year,month),once/twice a week(month,year,etc.),seldom,on
3、 sundays等连用。I leave home for school at seven every morning.2、表示客观真理,科学事实、格言警句。The sun rises in the east.日出东方。The earth goes around the sun.地球绕着太阳转。Ten minus two is eight.十减二等于八。Light travels faster than sound.光的速度比声音的速度快。The United States lies by the west coast of the Pacific Ocean.美国位于太平洋西岸。3、根据英文语
4、法规定,当主句的谓语动词是一般将来时,那么时间或条件状语从句的谓语动词只能用一般现在时来表示将来要发生的动作。Ill tell him the news when he comes back.他回来时,我将告诉他这个消息。If you come this afternoon,well have a meeting.4、仅为了描述状态、性质、特征、能力等等。这里的目的是为了描述现阶段的动作或状态,其重点不是强调动作发生的时间、或进行的状态。例如:He can speak five foreign languages.他能说五种外语。That is a beautiful city.那是座美丽的城
5、市。Changjiang River is one of the longest rivers in the world.长江是世界上最长的河流之一。She majors in music.她主修音乐。All my family love football.我全家人都喜欢足球。My sister is always ready to help others.我妹妹总是乐于助人。(四)动词第三人称单数形式变化规则 1、一般情况下,动词后直接加-s;如:help-helps,clean-cleans,give-gives等。2、以s,x,ch,sh或o结尾的动词,在词尾加-es;如:dress-d
6、resses,fix-fixes,watch-watches,finish-finishes等。3、以辅音字母加y结尾的动词,把y变为i,再加-es;如:study-studies,fly-flies,carry-carries等。4、动词have遇在主语是第三人称单数时,have改为has,如:He has an interesting book.5、动词be遇有主语是第一人称单数时,be改为am,遇有主语是第二人称时,be改为are,遇有主语是第三人称单数时,be改为is 一般现在时练习题1I _(write)to you as soon as I _(get)to London.2.He
7、 doeant feel well and _(not eat)any food this morning.3.He _ not _(see)me come in,for he _(read)something with great interest.4.I _(l;et)you have the book as soon as I _(finish)it.5.While we _(wait)for our teacher,a little boy _(run)up to us.6.Dont make a niose.Grandpa _(sleep).7.Its seven now,Toms
8、family_(watch)TV.8.It _(take)me two hours to finish my homework last night.9.What _ your mother _(do)at eight yesterday evening?She _(wash)clothes.10._ it _(rain)when school was over yesterday?11.What _(do)_ tomorrow?We _(play)football.12.There _(be)a football match on TV this evening.13.They said t
9、hey _(visit)the Great Wall the next summer holiday.14.Who _(dance)the best in your class?15.Will you come if he _(not come)?16.The teacher told us the earth _(move)round the sun.17She _(buy)a sweater yesterday.18.They _(have)a party in the garden if it _(not rain)tomorrow.19.I dont know if Mr.Wang _
10、(go)to Shanghai tomorrow.If he _(go),I _(ask)him _(take)some books to my daughter,because she _(study)there.一般现在时态单项选择:1.The students will go to the Summer Palace if it _ tomorrow.A.dont rain B.doesnt rain C.wont rain 2.There _ an English film next week.A.will have B.is going to have C.is going to b
11、e D.was going to be 3.The picture _ nice.A.looks B.is looked C.look D.is looking 4.She _ down and soon fell asleep.A.live B.lain C.laid D.lay 5.They _ the office at nine yesterday morning.A.reached to B.arrived C.went D.get to 6.We shall go to Shanghai on business before you _ back next week.A.wil c
12、ome B.came C.would come D.come 7.Dont smoke until the plane _ off.A.takes B.took C.was taken D.is take 一般现在时态 8.I saw her _ the room this morning.A.to enter B.entered C.enter D.enters 9.the teacher asked us _ to school on time.A.to come B.coming C.come D.comes 10.John is always _ others.A.help B.hel
13、ping C.helps D.to help 11.He told us _ at eight.A.working B.to work C.work D.worked 12.Youd better _ at home and _ your homework.A.to stay,do B.stay,do C.to stay,to do D.stay,to do 13.He sat down _ a rest.A.having B.have C.to have D.had 14.Uncle Wang knows _ a washing machine.A.how to make B.to make
14、 C.how making D.what to make 15.Jim decided _ Polly to Ling Feng when he was back to England.A.to leave B.left C.leaving D.leave一般过去时一般过去时(一)结构 一般过去时用动词的过去式表示。(如表所示)注:在一般过去时的句子中,谓语动词可分为两类一类是be动词,其形式为was与第一、三人称单数连用,were与第二人称和复数人称的主语连用。凡是由be动词做谓语的句子,变否定句时,直接在其后加not,即wasnt 或werent,变一般疑问句将was/were放在句首,句
15、末用问号。另一类谓语动词是由行为动词来充当,如stayedwentvisited等,这一类动词做谓语时,可与任何人称连用,句子变否定时,要在主语后面,动词的前面加didnt,动词用原形;一般疑问句是把did提到句首,动词用原形 基本结构否定词一般疑问句 Be动词 Was/were+notwas或were提前,放于句首 行为动词Didnt+doDid+主语+do(动词原形)I was in Shanghai last year.I wasnt in Shanghai last year.Was you in Shanghai last year?He went to the park yeste
16、rday.He didnt go to the park yesterday?Did he go to the park yesterday?(二)句式 1、肯定句:主语+动词过去式+其他。I was in Beijing yesterday.I went to the beach yesterday.2、否定句:主语+wasnt 或werent+其他。主语+didnt+V原+其他。I wasnt in Beijing yesterday.I didnt go to the beach yesterday.3、一般疑问句:was/were+主语+V原+其他?Did+主语+V原+其他?Were
17、you in Beijing yesterday?Did you go to the beach yesterday?一般过去时态4、特殊疑问句:特殊疑问词+was/were+主语+其他?特殊疑问词+did+主语+V原+其他?Where were you yesterday?Where did yougo yesterday?(三)用法 1、表示过去某一时刻或某一段时间里所发生的动作或情况,常与明确的时间状语连用,如:yesterday,last week(month,year),ago,the other day,just now,at the age of,in 1980等连用。如:At
18、the age of ten,she began to learn to play the piano.2、表示过去经常发生或反复发生的动作,常与表示频度的时间状语连用。When I was a child,I often play the football in the street.3、在时间、条件状语从句中,常用一般过去时态代替过去将来时。He said he wouldnt go if it rained.(四)动词过去式的规则变化1)一般情况下,在动词原形末尾加-ed;如look-looked2)结尾是字母e 的动词加-d,如 practice-practiced;3)结尾是“辅音字
19、母+y”的动词,变“y”为“i”再加ed,如study studied;4)重读闭音节结尾,双写动词尾的辅音字母,再加ed,如stop stopped。一般过去时态不规则动词表不规则动词表Infinitive Past tense Infinitive Past tensecatch caught come camedo did draw drewdrink drank drive droveeat ate fall fell am is was are werebegin begun break brokebring brought build builtbuy bought can cou
20、ld动词过去式的记忆口诀动词一般过去时,表示过去发生事;be用was或用were,have,has变had;谓语动词过去式,过去时间坐标志;一般动词加-ed,若是特殊得硬记。否定句很简单,主语之后didnt添;疑问句也不难,did放在主语前;如果谓语之前有did,谓语动词需还原;动词若是was,were,否定就把not添。一般过去时态(练习)1.I _(watch)a cartoon on Saturday.2.Her father _(read)a newspaper last night.3.We _ to zoo yesterday,we _ to the park.(go)4._ yo
21、u _(visit)your relatives last Spring Festival?5._ he _(fly)a kite on Sunday?Yes,he _.6.Gao Shan _(pull)up carrots last National Day holiday.7.I _(sweep)the floor yesterday,but my mother _.8.What _ she _(find)in the garden last morning?She _(find)a beautiful butterfly.9.It _(be)Bens birthday last Fri
22、day 10.10.We all _(have)a good time last night.11.He _(jump)high on last Sports Day.12.12.Helen _(milk)a cow on Friday.13.She likes _ newspapers,but she _ a book yesterday.(read)14.He _ football now,but they _ basketball just now.(play)15.Jims mother _(plant)trees just now.16._ they _(sweep)the floo
23、r on Sunday?No,they _.17.I _(watch)a cartoon on Monday.18 We _(go)to school on Sunday.19.It _(be)the 2nd of November yesterday.Mr White _(go)to his office by car.20.Gao Shan _(put)the book on his head a moment ago.21.Dont _ the house.Mum _ it yesterday.(clean)22.What _ you _ just now?I _ some housew
24、ork.(do)23.They _(make)a kite a week ago.一般将来时一般将来时(一)概念表示将要发生的动作或存在的状态。There will be an English party next Saturday.We will come to see you tomorrow.(二)结构1、由will+动词原形构成,其will适用于各种人称,与主语连在一起时,常常缩写为ll。变否定句时,只需在will后加not,可缩写为wont。在疑问句中,will需提前,构成will+主语+动词原形的结构。He will arrive here this evening.他今晚抵达这里
25、。2、shall+动词原形(常用于主语为第一人称)I shall/will not be free tomorrow.我明天没空。3、be going to+动词原形(打算、准备做某事)He is going to spend his holidays in London.他打算在伦敦度假 一般将来时态(三)用法 1、表示在将来某个时间将要发生的动作或存在的状态,常与表示将来的时间状语,如:tomorrow,next day(week,month,year),this evening(weekend),in the future,in a few minutes,the day after t
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