一般现在时-现在进行时的用法-辨析.ppt
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1、一般现在时与现在进行时,(1)一般现在时的句型结构,肯定句:主语+am/is/are+表语 主语+实义动词(+其它)否定句:主语+am/is/are+not+表语 主语+dont(doesnt)+实义 动词原形(+其它)疑问句:Am/Is/Are+主语+表语 Do(Does)+主语+实义动词原形(+其它),1.表示经常性或习惯的动作.常与下列表示次数的频率副词连用:often,usually,always,sometimes,seldom,every day(week,year,night),once a week等。,My father goes to work at 7:30 every
2、day.He always works at night.,(2)一般现在时的用法,2,表示主语的特征或状态或喜好。,3.表示自然现象或普遍真理。Sunday is the first day of the week.There are 12 months in a year.,I like playing volleyball very much.Lily is a nurse.The jacket is green.,4,表示“预定”或是“安排好”要发生的,不会轻易改变的未来动作,事情。常用于此类用法的动词有come,go,move,stop,leave,arrive,be,finish,
3、continue,start,begin等。,The plain arrives at 8 oclock.飞机八点到。School begins on March 5.三月五日开学。,5)在时间,条件,让步状语从句中,用一般现在时代替将来时。,We will have an exam when we finish the textbook.我们学完课本后将会进行一次测试。I will tell him that as soon as I see him.我一见到他就会告诉他那件事。We have to wait here before he comes.在他回来前,我们不得不等。,I_Ping
4、-pong quite well,but I havent had time to play since the new year.A.willplayB.have played C.playedD.play(2)-You are drinking too much.-Only at home.No one _me but you A.is seeing B.had seen C.sees D.saw,(3)-What are you going to do after the film?-Since the film _early,then lets go shopinging.A.ends
5、 B.is going to end C.will end D.ended,The present continuous tense 现在进行时,现在进行时的基本结构,肯定句:主语+am/is/are+现在分词 否定句:主语+am/is/are+not+现在分词 疑问句:Am/Is/Are+主语+现在分词,1,表示现在(now,at the(very)moment,for the time being,at present,及Look!,Listen!)或现阶段正在进行的动作,现在进行时的用法,-What are you doing now?-Im reading books.(现在正在做的事
6、),-What are you doing these days?-Im learning English hard.(现阶段正在做的事),2,与always,constantly,forever,all the time等副词连用,表示动作反复或习惯。此时句子常含有说话者的强烈情感在内。表达较强的“责备”或“表扬”之意。,You are always changing your mind.你总是主意不定。(太烦人了)He is always helping others.他总是帮助别人。(他真是个好人。),“be”的进行时,主要用于表达一时的表现或暂时存在的状态He is foolish.H
7、e is being foolish.He is being friendly.,3,表示按计划,安排要发生的动作,这类动词有 see,return,leave,start,visit,go,come,fly,stay等动词可以用进行时表将来。He is leaving on Wednesday.他将于周四离开。They are going to Canada next week.他们将下周去加拿大。,一般现在时,一般现在时与现在进行时表将来的区别,I am not going out this evening.What time does the train leave?,练习过关才是识“时
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