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初中英语语法点现在完成时讲解

发布时间: 2021-03-01 02:44:01

A. 初中英语语法总结

语法项目 构 成 用 法 象 征 词 规则变化 不规则变化 例 句
一般现在时 动词用原形
三人称单数-s / es 表示经常性的
动作或状态 Every often always on 天 in月、季、节、年。 一般-s –es 辅音+y---ies have----has
He goes to school every day.
I often have lunch at home.
一般过去时 动词用过去时
Be—was/ were 表过去某个、段时间内动作及状态 ago/just now /In1998 last/yesterday 等 一般/去e 双写/辅+y结尾-ied go-went come-came
do-did leave-left等 He wrote a letter yesterday.
I studied hard last year.
一般将来时 be going to+V原
will / shall + V原 在将来某个时间或
某段时要做的事 tomorrow / after
next / tonight in 2010
Go come leave stay
fly等用进行表将来 Are you going to read ?
He is coming tomorrow .
现在进行时 be+doing 表此时此刻正进行的动作或状态 listen look now
all the time Don’t… 一般去e 双写
+ing tie die lie –
变ie为y加ing Tom is writing now .
They are lying on the bed .
现在完成时
现在完成进行 have / has +PP
have/has been+doing 发生在过去影响在现在的动作或状态等 含糊的频率副词 already just never ever 分词规则的同过去式是一样的 不规则的动词的过去分词需逐个记忆 I have been teaching for 8 years.
He has slept for two days.
.过去进行时 was / were +doing
多用于复合句中 表在过去某时间正在进行的动作 at this time yesterday
last Sunday evening 一般去e 双写
+ing tie die lie –
变ie为y加ing He was reading at that time
last Friday
过去完成时 had+动过去分词
多用于复合句中 该动作发生在过去的过去 by the time+过去时
when after before 规则的分词构成与过去时一样的 需要逐个记忆
详见不规则动词表 We had learnt 2000 words
by the end of last year.
过去将来时 would + V 原形
多用宾语从句中 过去看来将要发生的动作或状态 He said that he… the next day . He said that he would come here the next day .
比较级形式
形容副词名词 后--er 前加more
名词比较用more 表示两个人、物
之间进行比较时 than /much/ a little
far / in the two 等 一般/去e 双写/辅+y结尾-ier good/well —better
much/many—more She is the tall in the two.
He runs faster than Tom .
最高级形式
形容副词名词 后-est 前加most
名词比较用most 大于等于三个人、物之间进行比较 in the +比较范围
of the 具体的数字 一般/去e 双写/辅+y结尾-iest bad/ill/badly-worst
far-farther-farthest She is the most beautiful
in her class.(最高级加the)
动词不定式
to do没有人称和数的变化 作主语
To read is helpful for anybody now . 作宾语
He wants to buy a dictionary. 作宾补
I hear him sing yesterday
Tom told me to open it. 作表语
His job is to take care of children . 作状语
He’ll go to see a doctor tomorrow . 作定语
He has much homework
to do every day .
主从复合句 状语从句
句子作状语 (时间地点原因条件让步比较)
He was writing a letter when I came in。 宾语从句
句子作宾语(语序、时态、引导词、客观事实)
He asked me if I had been to Beijing before. 定语从句
句子作定语(修饰名词或代词的句子、注意先行词)
I saw the man who was stealing my bike yesterday
主动结构

被动结构
主动语态:主语(人、物)+ 谓语 + 宾语
动作执行者 + 及物动词 + 动作承受者
被动语态:主语(人、物)+be PP + by宾语
动作承受者 + be PP + by动作执行者
在被动语态中没有可以省to 的不定式 We speak English .
主语 谓语 宾语
English is spoken by us

宾改主 谓语动词 be PP 主by 宾 主动变被动,先找主、谓、宾,宾改主、主by宾,代词变格要细心,谓语动词be pp,时态随主、数随被
PP 是及物动词的过去分词加ed 或不规则详见表
被动句的时态(be)随主动句的时态(do)人称和数应随被动句的主语(am、is、are、was、were等 )

B. 初中英语语法总结 重点:现在完成时

楼主,我高三毕业生一个字一个字打出来帮你的。你给我最佳答案吧!
1,现在完成时由“或者has+过去分词”构成
例如:I have made a mistake 我犯了一个错误
He has gone home 他回家了
在第三人称单数后用has,其他情况下都用have。过去分词也分为两类,一类为规则动词,后面由-ed构成。另一类为不规则动词,需要你自己去记忆了。
2,现在完成时主要表示已经发生并且对现在有影响的动作(个人认为:题意有明显倾向强调影响时才如此考虑):
例如: She has gone hone 她回家了(已经不在这儿了)
He hasn't had his breakfast 。他没吃早饭(有些饿了)
也可以指现在以前这段时间发生的动作:
She has just phoned .她刚刚来过电话
We have put up hundreds of buildings。我们盖了数百个高楼
还可以指持续到现在的状态:
She has been here for two years 。她来这里有两年了。
They have lived here for ten years 。他们在这里住了十年了。

终于打完了,累死我了。这种木有财富值的活儿我都这么卖力地干了。楼主给我最佳答案吧!!

C. 初中英语语法重点,详细点

11.1 一般现在时的用法

1) 经常性或习惯性的动作,常与表示频腮度的时间状语连用。时间状语: every…, sometimes, at…, on Sunday。例如:

I leave home for school at 7 every morning. 每天早上我七点离开家。

2) 客观真理,客观存在,科学事实。例如:

The earth moves around the sun. 地球绕太阳转动。

Shanghai lies in the east of China. 上海位于中国东部。

3) 表示格言或警句。例如:

Pride goes before a fall. 骄者必败。

注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。

例:Columbus proved that the earth is round. 哥伦布证实了地球是圆的。

4) 现在时刻的状态、能力、性格、个性。例如:

I don't want so much. 我不要那么多。

Ann writes good English but does not speak well. 安英语写得不错,讲的可不行。

比较:Now I put the sugar in the cup. 把糖放入杯子。

I am doing my homework now. 我正在做功课。

第一句用一般现在时,用于操作演示或指导说明的示范性动作,表示言行的瞬间动作。第二句中的now是进行时的标志,表示正在进行的动作的客观状况,所以后句用一般现在时。

11.2 一般过去时的用法

1)在确定的过去时间里所发生的动作或存在的状态。例如:时间状语有:yesterday, last week, an hour ago, the other day, in 1982等。例如:

Where did you go just now? 刚才你上哪儿去了?

2)表示在过去一段时间内,经常性或习惯性的动作。例如:

When I was a child, I often played football in the street. 我是个孩子的时候,常在马路上踢足球。

Whenever the Browns went ring their visit, they were given a warm welcome.

那时,布朗一家无论什么时候去,都受到热烈欢迎。

3)句型:It is time for sb. to do sth "到……时间了" "该……了"。例如:It is time for you to go to bed. 你该睡觉了。

It is time that sb. did sth. "时间已迟了" "早该……了" ,例如It is time you went to bed. 你早该睡觉了。

would (had) rather sb. did sth. 表示'宁愿某人做某事'。例如:I'd rather you came tomorrow.还是明天来吧。

4) wish, wonder, think, hope 等用过去时,作试探性的询问、请求、建议等,而一般过去时表示的动作或状态都已成为过去,现已不复存在。例如:I thought you might have some. 我以为你想要一些。

比较:Christine was an invalid all her life.(含义:她已不在人间。)

Christine has been an invalid all her life.(含义:她现在还活着)

Mrs. Darby lived in Kentucky for seven years. (含义:达比太太已不再住在肯塔基州。)

Mrs. Darby has lived in Kentucky for seven years. (含义:现在还住在肯塔基州,有可能指刚离去)

注意: 用过去时表示现在,表示委婉语气。

1)动词want, hope, wonder, think, intend 等。例如:

Did you want anything else? 您还要些什么吗?

I wondered if you could help me. 能不能帮我一下。

2)情态动词 could, would。例如:

Could you lend me your bike? 你的自行车,能借用一些吗?

11.3 used to / be used to

used to + do:"过去常常"表示过去习惯性的动作或状态,但如今已不存在。例如:

Mother used not to be so forgetful. 老妈过去没那么健忘。

Scarf used to take a walk. 斯卡夫过去常常散步。

be used to + doing: 对……已感到习惯,或"习惯于",to是介词,后需加名词或动名词。例如:

He is used to a vegetarian diet.

Scarf is used to taking a walk. 斯卡夫现在已习惯于散步了。

11.4 一般将来时

1) shall用于第一人称,常被will 所代替。will 在陈述句中用于各人称,在征求意见时常用于第二人称。例如:

Which paragraph shall I read first? 我先读哪一段呢?

Will you be at home at seven this evening? 今晚七点回家好吗?

2) be going to +不定式,表示将来。

a. 主语的意图,即将做某事。例如:What are you going to do tomorrow? 明天打算作什么呢?

b. 计划,安排要发生的事。例如:The play is going to be proced next month。这出戏下月开播。

c. 有迹象要发生的事。例如:Look at the dark clouds, there is going to be a storm. 看那乌云,快要下雨了。

3) be +不定式表将来,按计划或正式安排将发生的事。例如:

We are to discuss the report next Saturday.我们下星期六讨论这份报告。

4) be about to +不定式,意为马上做某事。例如:

He is about to leave for Beijing. 他马上要去北京。

注意:be about to do 不能与tomorrow, next week 等表示明确将来时的时间状语连用。

11.5 be going to / will 用于条件句时,be going to表将来,will表意愿。例如:

If you are going to make a journey, you'd better get ready for it as soon as possible.

Now if you will take off your clothes, we will fit the new clothes on you in front of the mirror.

11.6 be to和be going to

be to 表示客观安排或受人指示而做某事,be going to 表示主观的打算或计划。例如:

I am to play football tomorrow afternoon. 明天下午我去踢球。(客观安排)

I'm going to play football tomorrow afternoon. 明天下午我想去踢球。(主观安排)

11.7 一般现在时表将来

1)下列动词come, go, arrive, leave, start, begin, return的一般现在时可以表示将来,主要用来表示在时间上已确定或安排好的事情。例如:

The train leaves at six tomorrow morning. 火车明天上午六点开。

When does the bus star? It stars in ten minutes. 汽车什么时候开?十分钟后。

2)以here, there等开始的倒装句,表示动作正在进行。例如:

Here comes the bus. = The bus is coming. 车来了。

There goes the bell. = The bell is ringing. 铃响了。

3)在时间或条件句中。例如:

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. 我到了那里,就写信给你。

4)在动词hope, take care that, make sure that等的宾语从句中。例如:

I hope they have a nice time next week. 我希望他们下星期玩得开心。

Make sure that the windows are closed before you leave the room. 离开房间前,务必把窗户关了。

11.8 用现在进行时表示将来

下列动词come, go, arrive, leave, start, begin, return等现在进行时可以表示将来。例如:

I'm leaving tomorrow. 明天我要走了。

Are you staying here till next week? 你会在这儿呆到下周吗?

11.9 现在完成时

现在完成时用来表示之前已发生或完成的动作或状态,其结果的影响现在还存在;也可表示持续到现在的动作或状态。其构成:have (has) +过去分词。
11.11 用于现在完成时的句型

1)It is the first / second time.... that…结构中的从句部分,用现在完成时。例如:

It is the first time that I have visited the city. 这是我第一次访问这城市。

This is the first time (that) I've heard him sing. 这是我第一次听他唱歌。

注意:It was the third time that the boy had been late.

2)This is +形容词最高级+that…结构,that 从句要用现在完成时。例如:

This is the best film that I've (ever) seen. 这是我看过的最好的电影。

(错)I have received his letter for a month.

(对)I haven't received his letter for almost a month.

11.13 since的四种用法

1) since +过去一个时间点(如具体的年、月、日期、钟点、1980, last month, half past six)。例如:

I have been here since 1989. 1989起,我一直在这儿。

2) since +一段时间+ ago。例如:

I have been here since five months ago. 我在这儿,已经有五个月了。

3) since +从句。例如:

Great changes have taken place since you left. 你走后,变化可大了。

Great changes have taken place since we were here. 我们走后,变化可大了。

4) It is +一段时间+ since从句。例如:

It is two years since I became a postgraate student. 我考上研究生有两年了。

11.15 过去完成时

1) 概念:表示过去的过去

----|----------|--------|----> 其构成是had +过去分词构成。

那时以前 那时 现在

2) 用法

a. 在told, said, knew, heard, thought等动词后的宾语从句。例如:

She said (that)she had never been to Paris. 她告诉我她曾去过巴黎。

b. 状语从句

在过去不同时间发生的两个动作中,发生在先,用过去完成时;发生在后,用一般过去时。例如:

When the police arrived, the thieves had run away. 警察到达时,小偷们早就跑了。

c. 表示意向的动词,如hope, wish, expect, think, intend, mean, suppose等,用过去完成时表示"原本…,未能…"。例如:

We had hoped that you would come, but you didn't. 那时我们希望你能来,但是你没有来。

3) 过去完成时的时间状语before, by, until , when, after, once, as soon as。例如:

He said that he had learned some English before. 他说过他以前学过一些英语。

By the time he was twelve, Edison had began to make a living by himself. 到了十二岁那年,爱迪生开始自己谋生。

Tom was disappointed that most of the guests had left when he arrived at the party.

汤姆失望了,因为他到达晚会时,大部分客人已经走了。

11.17 将来完成时

1) 构成will have done

2) 概念

a. 状态完成:表示某事继续到将来某一时为止一直有的状态。例如:

They will have been married for 20 years by then. 到那时他们结婚将有二十年了。

b. 动作完成:表示将来某一时或另一个将来的动作之前,已经完成的动作或获得的经验。例如:

You will have reached Shanghai by this time tomorrow. 明天此时,你已经到达上海了。

D. 初中英语语法重点讲什么

初中英语语法重点主要是几种时态:
一般现在时,一般过去时,一般将来时版,现在进行时,过去进行时,现在完成权时,过去完成时;简单的定语从句,宾语从句,直接引语和间接引语等.这些知识如果都掌握了,初中英语基本上就掌握了,当然,
仅有语法知识还是不够的,还要掌握课本中的单词及句型.

E. 初中英语语法问题咨询(关于现在完成时)

1这个老师两年前在这教学,现在还在这教
2这个老师在这教过两年学,现在不一定还在这教

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