1、骄者必败。4.表计划或预定的行为但只限于start, begin, leave, go, come, arrive, return, takeplace等。 eg The train leaves at 9:00 tomorrow morning. 5. 表示现在的状态。Myfatherworks in a factory. Heisverybusy.6. 表示主语具备的性格、特征和能力等。AnnwritesgoodEnglishbutdoesnotspeakwell.具体情况(主要用于下面几情况)1) 描述当前时间内经常出现、反复发生的动作或存在的状态。在这种情景中,句子常带有表示频率的时间
2、状语:always , everyday , often , once a week (month , year , etc.) , sometimes , seldom , usually等等,以表示句中的动作或状态是习惯性的、经常性的。例如:She doesnt often write to her family, only once a month. 她不常给家里写信,仅一月一封而已。It seldom rains here .这儿很少下雨。2)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。Changjiang
3、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。3) 陈述客观事实、客观真理。顾名思义,客观的情况是没有时间概念的;也不会在意动作进行的状态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
4、lies by the west coast of the Pacific Ocean. 美国位于太平洋西岸。4) (主将从现)在if,when,assoonas,until,after,before等连接词引导的时间或条件状语从句中,从句中谓语动词要用一般现在时,主句要用将来时。Ill tell him the news as soon as he comes back. 他一回来,我就告诉他这个消息。用于一般现在时的副词,除了上面提到的一些表示频率的以外,常见的还有:now, today , nowadays等等。特殊用法:(一般现在时表示过去)1. 用于某些动词(tell, say, h
5、ear, learn, gather等)表示不确定的过去时间。如:I hear that he got married last month. 我听说他上个月结婚了。2. 当要陈述一个客观事实时,有时即使有过去时间状语也可用一般现在时。The story begins in the year 1937. 故事开始于1937年。III单项选择: 1.The students will go to the Summer Palace if it _ tomorrow. A.dont rain B. doesnt rain C. wont rain2. There _an English film
6、next week. A. will have B. is going to have C. is going to be D. was going to be3. The picture _ nice. A.looks B.is looked C.look D.is looking4. She _ down and soon fell asleep.A. live B. lain C. laid D. lay5. They _ the office at nine yesterday morning. A. reached to B. arrived C. went D. get to6.
7、We shall go to Shanghai on business before you _ back next week.A. wil come B. came C. would come D. come7. Dont smoke until the plane _ off. A.takes B. took C.was taken D.is take8. I saw her _ the room this morning. A.to enter B. entered C. enter D. enters9.the teacher asked us _ to school on time.
8、 A. to come B.coming C.come D.comes10. John is always _ others. A. help B. helping C. helps D. to help二、一般过去时时间状语:ago, yesterday, the day before yesterday, last week(year, night, month), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc. 不规则中寻规则 1.过去式与动词原形同形。letlet, p
9、utput, hithit, readreadred等。2.动词原形以owaw结尾,过去式常变为ew。knowknew, growgrew, throwthrew, drawdrew等。但是也有一些例外,例如:showshowed。3.许多动词只要将动词原形中的元音字母i改为a,就可变为过去式。beginbegan, givegave, singsang, swimswam, sitsat, drinkdrank, ringrang 但是winwon例外。4有些动词的过去式以o(a)ught结尾。bringbrought, buybought, thinkthought, catchcaugh
10、t, teachtaught 注意上述动词过去式究竟是以ought还是aught结尾,只要记住“有a则a,无a则o”即可。 即:原形中有a的,过去式变为aught,否则为ought。5以eep结尾的动词,常将eep改为ept构成过去式。keepkept, sleepslept, sweepswept一般过去时的用法 1)表示过去某个时间所发生的动作或存在的状态。常和表示过去的时间状语yesterday, last week, an hour ago, just now, the other day, in 1982等连用。在一般过去式中,要表达“过多少时间之后”,一般用after。Where
11、did you go just now? After a few years, she started to play the piano.特殊用法(一般过去时表现在)(1) 在宾语从句中,由于时态呼应的关系,可用一般过去时表示现在:I didnt know you were here. 我不知道你在这儿。(were实际上指现在)I didnt know you were so busy我没想到你这么忙。 (3) 用于某些特殊结构中表示现在:Its time we started. 我们该动身了。I wish I knew his name. 要是我知道他的名字就好了。Id rather yo
12、u lived closer to us. 我希望你能住得离我们近点。【注】该用法主要用于 its time, I wish, Id rather, if only, as if, 等少数结构后接从句的情形,其中有些结构后面的句子还可用一般过去时表示将来:Id rather you came next Monday. 我宁愿你下周星期一来。另外表主观想法的虚拟条件句也用一般过去时表示现在:If I had the money now Id buy a car. 假若我现在有钱,我就买辆小汽车。练习: 1. Did your brother go to America last year? _A
13、. No , he did never go there B. No , he has never gone here C. No , he never was there D. No , hes never been there2. - Im sorry you have missed the bus. It_ five minutes ago. - What a pity! A. was leaving B. has left C. left D. leaves3. -Mr. Johnson, we have found your watch. -My watch!Thank you. W
14、here_ it?A. do you find B. have you found C. did you find D. were you finding 4. Last week John _his leg. A. felt and broken B. fell and brokeC. feels and breaks D. fallen and broken5. Jack_ his thick coat because it was snowing.A. puts on B. put on C. takes on D. took on6. I have finished my homework. When_ you_ it ?A. have; finished B. do; finish C. did; fi
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