否认情势:①am/is/are + not;
②此时态的谓语动词若为举动动词,则在其前加don‘t,如主语为第三人称单数,则用doesn’t,同时还原举动动词。
3. 一般疑难句:①把is/am/are动词放于句首;②用助动词do发问,如主语为第三人称单数,则用does,同时,还原举动动词。
4. 用法
1) 常常性或习气性的动作,常与暗示频度的时候状语连用。
比方:I leave home for school at 7 every morning。天天早上我七点分开家。
2) 客观真谛,客观存在,科学究竟。
比方:The earth moves around the sun。地球绕太阳滚动。
Shanghai lies in the east of China。上海位于中国东部。
3) 暗示格言或警语。
比方:Pride goes before a fall。骄者必败。
注重:此用法若
是呈现在宾语从句中,即便主句是曩昔时,从句谓语也要用一般如今时。
比方:Columbus proved that the earth is round。哥伦布证明了地球是圆的。
4) 如今时刻的状况、能力、性情、个性。
比方:I don‘t want so much。我不要那末多。
Ann writes good English but does not speak well。安英语写得不错,讲的可不可。
5) 一般如今时暗示未来寄义
a.以下动词come, go, arrive, leave, start, begin, return的一般如今时可以暗示未来,重要用来暗示在时候上已肯定或放置好的事变。
比方:The train leaves at six tomorrow morning。火车来日诰日上午六点开。
When does the bus star? It stars in ten minutes。汽车何时开?十分钟后。
b.在@时%5EVSe%候或前%V6EO8%提@句中。
比方:When Bill comes (不是will come), ask him to wait for me。比尔来后,让他等我。
I‘ll write to you as soon as I arrive there。我到了那边,就写信给你。
一般曩昔时
1.观点:曩昔某个时候里产生的动作或状况;曩昔习气性、常常性的动作、举动。
2.根基布局:
①was/were;②举动动词曩昔式
否认情势:①was/were + not;②在举动动词前加didn‘t,同时还原举动动词。
一般疑难句:①was或were放于句首;②用助动词do的曩昔式did 发问,同时还原举动动词。
3.用法
1) 在肯定的曩昔时候里所产生的动作或存在的状况。
时候状语有:yesterday, last week, an hour ago, the other
day, in 1982等。
比方:Where did you go just now? 适才你上哪儿去了?
2) 暗示在曩昔一段时候内,常常性或习气性的动作。
比方:When I was a child, I often played football in the street。
我是个孩子的时辰,常在马路上踢足球。
Whenever the Browns went during their visit, they were given a warm welcome。
当时,布朗一家不管何时去,都遭到强烈热闹接待。
注重:used to + do:“曩昔经常”暗示曩昔习气性的动作或状况,但现在已不存在。
比方:Mother used not to be so forgetful。老妈曩昔没那末忘记。
Scarf used to take a walk。斯卡夫曩昔经常溜达。
如今举行时
1.观点:暗示现阶段或措辞时正在举行的动作及举动。
2.时候状语:now, at this time, these days, etc。
3.根基布局:
am/is/are + doing
否认情势:am/is/are + not + doing。
一般疑难句:把be动词放于句首。
4.用法:
1) 暗示如今(指措辞人措辞时)正在产生的事变。
比方:We are waiting for you。咱们正在等你。
2) 习气举行:暗示持久的或反复性的动作,措辞时动作未必正在举行。
比方:Mr。Green is writing another novel。他在写另外一部小说。(措辞时并未在写,只处于写作的状况。)
3) 暗示渐变,如许的动词有:get, grow, become, turn, run, go, begin等。
比方:The leaves are turning red。叶子在变红。
It‘s getting warmer and warmer。天愈来愈热了。
4) 与always, constantly, forever 等词连用,暗示频频产生的动作或延续存在的状况,常常带有措辞人的主观色采。比方:
You are always changing your mind。你总是扭转主张。
5) 用如今举行时暗示未来
以下动词come, go, arrive, leave, start, begin, return等瞬时动词的如今举行时可以暗示未来。
比方:I‘m leaving tomorrow。来日诰日我要走了。
Are you staying here till next week? 你会在这儿呆到下周吗?
曩昔举行时
1.观点:暗示曩昔某段时候或某一时刻正在产生或举行的举动或动作。
My brother fell while he was riding his bicycle and hurt himself。
我兄弟骑车时摔了下来,受了伤。
When I got to the top of the mountain, the sun was shining。
我达到山顶时,阳光光辉。
2.时候状语:at this time yesterday, at that time或以when指导的谓语动词是一般曩昔时的时候状语等。
3.根基布局:
was/were + doing
否认情势:was/were + not + doing。
一般疑难句:把was或were放于句首。
4.用法
1) 曩昔举行时暗示曩昔某段时候内延续举行的动作或事变。
We were watching TV from seven to nine last night。
昨天晚上七点到九点的时辰咱们在看电视。
2) 曩昔举行时可以暗示在曩昔某个时候点产生的事变。
时候点可以用介词短语、副词或从句来暗示。
What was she doing at nine o‘clock yesterday?
昨天晚上九点她在做甚么? (介词短语暗示时候点)
She was doing her homework then。
阿谁时辰她正在写功课。(副词暗示时候点)
When I saw him he was decorating his room。
当我瞥见他的时辰他正在装潢房间。(when从句暗示时候点)
3) 在复合句中,若是重要动作和布景动作都是持续的或同时产生的,那末主从句的动词均可用曩昔举行时。
When he was waiting for the bus, he was reading a newspaper。
他边等车边看报。(两个动作都是持续的)
He was cleaning his car while I was cooking。
他擦车时我在做饭。(两个动作同时举行)
一般未来时
1.观点:暗示将要产生的动作或存在的状况及筹算、规划或筹备做某事。
2. 时候状语:tomorrow, next day(week, month, year),soon, in a few minutes, by the day after tomorrow, etc。
3.根基布局:
①am/is/are/going to + do;
②will + do。
否认情势:①am/is/are + not + going to + do
②will not(won‘t)+ do。
一般疑难句:①am/is/are放于句首;
②will提到句首。
4. will重要用于在如下三个方面:
1) 暗示主观意愿的未来。
They will go to visit the factory tomorrow。
来日诰日他们将去厂观光工场。
I‘ll come with Wang Bing, Liu Tao and Yang Ling。
我将和王兵、刘涛、杨玲一块儿来。
2) 暗示不以人的意志为转移的客观的未来。
Today is Saturday。Tomorrow will be Sunday。
今天是礼拜六。来日诰日是(将)是礼拜日。
He will be thirty years old this time next year。
来岁这个时辰他就(将)三十岁。
3) 暗示姑且决议,通经常使用于对话中。
—Mary has been ill for a week。
玛丽病了一周了。
—Oh, I didn‘t know。I will go and see her。
噢,我不晓得。我去看看她。
5. be going to重要用于一下两个方面:
1) 暗示事前颠末斟酌、放置好筹算、规划要做某事。
Dad and I are going to watch an opera this afternoon。
今全国午我和爸爸筹算去看歌剧。
2) 暗示按照今朝某种迹象果断,某事很是有可能产生,暗示猜测。
Look! There come the dark clouds。It is going to rain。
瞧!乌云密集。天要下雨了。
曩昔未来时
1.观点:安身于曩昔某一时刻,从曩昔看未来,经常使用于宾语从句中。
2.时候状语:the next day(morning, year),the following month(week),etc。
3.根基布局:
①was/were/going to + do;
②would + do。
否认情势:①was/were/not + going to + do;②would + not + do。
一般疑难句:①was或were放于句首;②would 提到句首。
4.用法
1) “would+动词真相”常暗示主观意愿的未来。比方:
He said he would come to see me。
他说他要来看我。
He told me he would go to Beijing。
他奉告我他将去北京。
2) “was/ were + going to + 动词真相”常暗示按规划或放置行将产生的事。比方:
She said she was going to start off at once。
她说她将当即动身。
I was told that he was going to return home。
有人奉告我他筹备回家。
此布局还可暗示按照某种迹象来看,极可能或行将产生的事变。比方:
It seemed as if it was going to rain。
看来仿佛要下雨。
3) come, go, leave, arrive, start等瞬时动词动词可用曩昔举行时暗示曩昔未来的寄义。比方:
He said the train was leaving at six the next morning。
他说火车将于次日清晨六点分开。
She told me she was coming to see me。
她奉告我她要来看我。
如今完成时
1.观点:曩昔产生或已完成的动尴尬刁难如今酿成的影响或成果,或从曩昔已起头,延续到如今而且有可能继续下去的动作或状况。
2.时候状语:recently, lately, since, for, in the past few years, etc。
3. 根基布局:have/has + done
否认情势:have/has + not +done。
一般疑难句:have或has。
4. since的三种用法
1) since +曩昔一个时候点(如详细的年、月、日期、钟点、1980, last month, half past six)。
比方:I have been here since 1989。1989起,我一向在这儿。
2) since +一段时候+ ago。
比方:I have been here since five months ago。我在这儿,已有五个月了。
3) since +从句(一般曩昔时)。
比方:Great changes have taken place since you left。你走后,变革可大了。
比力since和for
since 用来阐明动作肇端时候,for用来阐明动作持续时候长度。
比方:I have lived here for more than twenty years。我住在这儿二十多年了。
注重:并不是有for 作为时候状语的句子都用如今完成时。
I worked here for more than twenty years。(我如今已不在这里事情。)
曩昔完成时
1.观点:以曩昔某个时候为尺度,在此之前产生的动作或举动,或在曩昔某动作以前完成的举动,即“曩昔的曩昔”。
2. 时候状语:before, by the end of last year(term, month),etc。
3.根基布局:had + done。
否认情势:had + not + done。
一般疑难句:had放于句首。
4.用法
1) 在told, said, knew, heard, thought等动词后的宾语从句种。
比方:She said (that)she had never been to Paris。她奉告我她曾去过巴黎。
2) 在曩昔分歧时候产生的两个动作中,产生在先,用曩昔完成时;产生在后,用一般曩昔时。
比方:When the police arrived, the thieves had run away。差人达到时,小偷们早就跑了。
3) 暗示意向的动词,如hope, wish, expect, think, intend, mean,
suppose等,用曩昔完成时暗示“本来…,未能…”。
比方:We had hoped that you would come, but you didn‘t。当时咱们但愿你能来,可是你没有来。
注重:had hardly… when。。。刚。。。。。。就。。。。。。。
比方:I had hardly opened the door when I he hit me。我刚打开门,他就打了我。
had no sooner…than 刚…… 就……。
比方:He had no sooner bought the car than he sold it。他刚买了这辆车,转瞬又卖了。