英语时态专练一、一般现在时概念经常、反复发生的动作或行为及现在的某种状况。时间状语always,usually,often,sometimes,never,everyweek(day,year,month…),once/twiceaweek,onSundays,inthe(morning等)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）否定形式Be动词：主语+am/is/are+not;行为动词：则在其前加don't,如主语为第三人称单数，则用doesn't，同时还原行为动词。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。例句Itseldomsnowshere.Heisalwaysreadytohelpothers.Actionspeakslouderthanwords.二、一般过去时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；表示客观规律和永恒真理等。时间状语ago,yesterday,thedaybeforeyesterday,lastweek,last(year,night,month…),in1989,justnow,attheageof5,oneday,longlongago,onceuponatime,etc.基本结构be动词；行为动词的过去式否定形式主语+was/were+not;在行为动词前加didn't，同时还原行为动词。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。例句Sheoftencametohelpusinthosedays.Ididn'tknowyouweresobusy.三、现在进行时概念表示现阶段或说话时正在进行的动作及行为。时间状语now,atthistime,thesedays,etc.when或while+从句基本结构主语+am/is/are+doing否定形式主语+am/is/are+not+doing.一般疑问句把be动词放于句首。例句Howareyoufeelingtoday?Heisdoingwellinhislessons.四、过去进行时概念表示过去某段时间或某一时刻正在发生或进行的行为或动作。时间状语atthistimeyesterday,atthattime或以when引导的谓语动词是一般过去时的时间状语等。基本结构主语+was/were+doing否定形式主语+was/were+not+doing.一般疑问句把was或were放于句首。例句AtthattimeshewasworkinginaPLAunit.Whenhecamein,Iwasreadinganewspaper.五、现在完成时概念过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。时间状语recently,lately,sofar.uptonow,since…，for…,inthepastfewyears,etc.基本结构主语+have/has+过去分词(done)否定形式主语+have/has+not+过去分词+其他一般疑问句Have/Has+主语+过去分词+其他例句I'vewrittenanarticle.Thecountrysidehaschangedalotinthepastfewyears.六、一般将来时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。时间状语tomorrow,nextday(week,month,year…),soon,inafewminutes,by…,thedayaftertomorrow,etc.基本结构主语+am/is/are+goingto+do；主语+will/shall+do.否定形式主语+am/is/arenotgoingtodo；主语+will/shallnotdo。博学精教成就学生1一般疑问句be放于句首；will/shall提到句首。例句Itisgoingtorain.Theyaregoingtohaveacompetitionwithusinstudies.英语动作有四种，经常做、正在做、将要做和过去做。经常做用动原或三单,要借do或does变问、否过去做动词改成过去式,要借did变问、否;正在做用be加动词ing，两个部分缺一不可;将要做主要有两种will加动原或begoingto加动原。专项练习I、用所给词的适当形式填空：1．He__________swimmingintherivereverydayinsummer.(go)2.What__________you__________atfiveyesterdayafternoon?(do)3.Look,thechildren__________basketballontheplayground.(play)4.He______________totheradiowhenIcamein,(listen)5.Thebikeisnice.Howmuch__________it__________?(cost)6.Ineedsomepaper.I______________someforyou.(bring)7.When__________you__________thecar?In1998.(buy)8.Hesaidthathe______________backinfiveminutes.(come)9.Ididn’tmeethim.He______________whenIgotthere.(leave)10.I______________mybike,soIhavetowalktoschool.(lose)11.He______________downandbegantoreadhisnewspaper.(sit)12.Heisveryhungry.He_____________________anythingforthreedays.(noteat)13.I______________withyouifIhavetime.(go)14.We__________goodf...
