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助动词的初二英语上册语法复习详解

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在日常的学习、工作、生活中,大家对助动词都再熟悉不过了吧,下面是小编收集整理的助动词的初二英语上册语法复习详解,仅供参考,大家一起来看看吧。

助动词的初二英语上册语法复习详解

助动词

1) leave的用法

1.“leave+地点”表示“离开某地”。例如: When did you leave Shanghai? 你什么时候离开上海的?

2.“leave for+地点”表示“动身去某地”。例如:

Next Friday, Alice is leaving for London. 下周五,爱丽斯要去伦敦了。

3.“leave+地点+for+地点”表示“离开某地去某地”。例如:

Why are you leaving Shanghai for Beijing?你为什么要离开上海去北京

2) 情态动词should“应该”学会使用

should作为情态动词用,常常表示意外、惊奇、不能理解等,有“竟会”的意思,例如:

How should I know? 我怎么知道?

Why should you be so late today? 你今天为什么来得这么晚?

should有时表示应当做或发生的事,例如:We should help each other.我们应当互相帮助。

我们在使用时要注意以下几点:

1. 用于表示“应该”或“不应该”的概念。此时常指长辈教导或责备晚辈。例如:

You should be here with clean hands. 你应该把手洗干净了再来。

2. 用于提出意见劝导别人。例如:

You should go to the doctor if you feel ill. 如果你感觉不舒服,你最好去看医生。 3. 用于表示可能性。should的这一用法是考试中常常出现的考点之一。例如: We should arrive by supper time. 我们在晚饭前就能到了。 She should be here any moment. 她随时都可能来。

3) What...? 与 Which...?

1. what 与 which 都是疑问代词,都可以指人或事物,但是what仅用来询问职业。如:

What is your father? 你父亲是干什么的?

该句相当于:

What does your father do?

What is your father's job?

Which 指代的是特定范围内的某一个人。如:---Which is Peter? 哪个是皮特?

---The boy behind Mary. 玛丽背后的那个男孩。

2. What...?是泛指,所指的事物没有范围的限制;而 Which...?是特指,所指的事物有范围的限制。如: What color do you like best? (所有颜色) 你最喜爱什么颜色?

Which color do you like best, blue, green or yellow? (有特定的范围) 你最喜爱哪一种颜色?

3. what 与 which 后都可以接单、复数名词和不可数名词。如: Which pictures are from China? 哪些图,片来自中国?

4) 频度副词的位置

1.常见的频度副词有以下这些:always(总是,一直)usually(通常)often(常常,经常)sometimes(有时候)never(从不)

2.频度副词的位置:

a.放在连系动词、助动词或情态动词后面。如: David is often arrives late for school. 大卫上学经常迟到。 b.放在行为动词前。如: We usually go to school at 7:10 every day.我们每天经常在7:10去上学。

c.有些频度副词可放在句首或句尾,用来表示强调。如:Sometimes I walk home, sometime I rides a bike.有时我步行回家,有时我骑自行车。

r放在句首时,主语、谓语动词要倒装。如:Never have I been there.

5) every day 与 everyday 1. every day 作状语,译为“每一天”。如: We go to school at 7:10 every day.我们每天7:10去上学。

I decide to read English every day.我决定每天读英语。

2. everyday 作定语,译为“日常的”。

She watches everyday English on TV after dinner.她晚饭后在电视上看日常英语。

What's your everyday activity?你的日常活动是什么?

6) forget doing/to do与remember doing/to do

et to do 忘记要去做某事。 (未做)

forget doing 忘记做过某事。 (已做)

The light in the office is still on. He forgot to turn it off.办公室的灯还在亮着,它忘记关了。(没有做关灯的动作) He forgot turning the light off. 他忘记他已经关了灯了。 ( 已做过关灯的动作)

Don't forget to come tomorrow.别忘了明天来。 (to come动作未做)

典型例题

---- The light in the office is still on.

---- Oh,I forgot___.

A. turning it off B. turn it off C. to turn it off D. having turned it off

答案:C。由the light is still on 可知灯亮着,即关灯的动作没有发生,因此用forget to do sth.而forget doing sth 表示灯已经关上了,而自己忘记了这一事实。此处不符合题意。

mber to do 记得去做某事 (未做)

remember doing 记得做过某事 (已做)

Remember to go to the post office after school.记着放学后去趟邮局。

Don't you remember seeing the man before? 你不记得以前见过那个人吗?

7) 如何表达英语中的“穿、戴”?英语中表示“穿、戴”的`表达方法有好几种,常见的有以下这些:

1、put on 主要表达“穿”的动作。如:He put on his coat.他穿上了他的外套。

You'd better put on your shoes.你最好穿上你的鞋子。

2、wear 主要表示“穿、戴”的状态。如:The old man wears a pair of glasses.老人戴着一副眼镜。

The girl is wearing a red skirt.那女孩穿着一条红色的短裙。

3、dress 可作及物动词,有“给......穿衣”的意思,后接“人”,而不是“衣服”。如: Please dress the children right now.请立即给孩子们穿上衣服。

dress 也可作不及物动词,表示衣着的习惯。如:The woman always dresses in green.那位妇女总是穿绿色的衣服。

4、be in 表示穿着的状态。如:John is in white today.约翰今天穿白色的衣服。

The man in black is a football coach.

10) a little, a few 与 a bit (of)

a little, a few 与 a bit (of) 都有“一些、少量”的意义。他们的区别在哪里呢?

1. a little 意为“一些、少量”,后接不可数名词。如: There is a little water in the bottle. 瓶子里有一点水。

还可以接形容词。如: He is a little shy. 他有些害羞。

2. a few 意为“一些、少数”,后接复数的可数名词。如: There are a few people in the room. 房间里有一些人。

3. a bit 意为“一点儿”,后接形容词。如: It's a bit cold. 有点冷。

a bit of 后接不可数名词。如: He has a bit of money. 他有一点儿钱。

4. a little 表肯定意义,little 表否定意义;a few 表肯定意义,few 表否定意义。如: There is a little soda in the glass. 杯子里有一点儿汽水。

There is little soda in the glass. 杯子里几乎没有汽水了。

I have a few Chinese friends. 我有一些中国朋友。

Few people like him. 几乎没有人喜欢他。

5. a little = a bit of, 后接不可数名词;

a little = a bit = a little bit = kind of, 后接形容词,意为“有点儿”。

8) stop to do sth 与 stop doing sth

1. stop to do sth 意为“停下来去做某事”。如: The students stop to listen to their teacher. 学生们停下来去听他们老师讲话。

2. stop doing sth 意为“停止做某事”。如: The students stopped talking. 学生们停止了谈话。

与它们相反的.句式是:go on to do sth “继续做某事(与刚才一事不同)”和 go on doing sth “继续做某事(与刚才同一件事)”。如:

He finishes his homework and goes on to study English他完成了作业,接着继续去念英语。

They went on playing games. 他们继续玩游戏。

12) tell, speak, say 与 talk

1. tell 意为“告诉、讲述”,指某人把某一件事、一条信息传送给别人或讲述一件事。如: He tells me that he wants to be a teacher

第一文库网. 他告诉我说他想成为一位教师。

Father always tells interesting stories to us. 爸爸总是给我们讲有趣的故事。

tell sb sth 意为“告知某人某事”。如: He told me something about his past. 他告诉我一些他的往事。

tell sb to do sth 意为“告诉某人去做某事”。如: David told his son to do the homework. 大卫要他的儿子去做作业。

2. speak 意为“说话、讲话”,后面主要接语言。如: He can speak English and a little Chinese. 他能讲英语和一点汉语。 speak to 意为“和.....讲话、谈话”。如: Can I speak to Mr Zhang? 我能和张先生讲话吗?

speak of 意为“提到、说起”。如:

The book speaks of my hometown. 那本书提到我的家乡。

3. talk 意为“谈话、讲话”,如果只有一方对另一方说话时,一般用 talk to;如果双方或多方交谈,多用 with。如:

Please talk to him right now. 请立即同他谈话。

He is talking with his friend. 他在和朋友交谈。

talk about 意为“谈论......”。如: They are talking about the movie. 他们在谈论那部电影。

have a talk with 意为“与......交谈”。如:Can I have a talk with you? 我可以和你交谈吗?

4. say 意为“说”。如: Can you say it in English once more? 你能用英语再说一遍吗? say to 意为“对......说”。如: He said to his students that they would have a test. 他对他的学生说他们将有一个测试。

It is said that... 意为“据说”。如:

It is said that he could stay under the water for a long time. 据说他能呆在水里很长时间。

9) Excuse me! 与 I'm sorry!

1. Excuse me! 意为“打搅了!对不起!”,一般是为了与陌生人搭话,或者要打断对方所说(做)的事。如:

Excuse me, is there a hotel in the neighborhood? 请问,附近有旅馆吗?

Excuse me, could I say something? 打搅一下,我能说一些吗?

2. I'm sorry! 意为“对不起!”,表示道歉。如:

I'm sorry, Mr Zhang. I won't do it again. 对不起,张先生。我不会这么做了。

14) 表示时间的 in、on 与 at

in, on 与 at 都可以和表示时间的词(组)连用。

1. in 表示时间的一段或较长的时间。如:

in the morning 在上午

in May, 在五月

in a week 在一周之内(后)

It's Sunday, I can finish it in two days. 现在是星期天,我能在两天后完成。(星期二) Rome was not built in a day. 罗马不是在一天内建起来的。

2. on 主要指在具体的一天。如:

on Sunday 在星期天

on May Day 在“五一”节

on a hot afternoon 在一个炎热的下午

He arrived in Beijing on April 26,2004. 他于204月26日到达北京。

3. at 表示时间的一点或比较短的时间。如: at 8:00 在八点 noon 在中午

I always get up at 6:00 every morning. 我总是每天早晨六点起床。

It's always warm at this time of year. 每年的这个时候总是暖和的。

10) too,also与either

用于肯定句和疑问句,一般放在句尾,其前常加逗号。如:

We are in the same school, too. 我们也在相同的学校。

Do you play soccer every day, too? 你也每天踢足球吗?

用于肯定句和疑问句,一般位于实义动词前、be动词后。如:

Sandra is also a Korean student. Sandra 也是一个韩国学生。

er用于否定句,一般放在句末。如:

They don't know the answer, either. 她们也不知道答案。

well as也有“也”的意思。如:

We have great mushroom pizza as well as soda.

He is a happy boy as well.

11) be good(bad) for、be good at的相关用法

good for 对......有益 Doing morning exercises is good for your health. 做早操对你们的建康有益。

good at 擅长于 Ping is good at basketball. 李平擅长于篮球。= Li Ping is good at playing basketball. 李平擅长于打篮球。

be good at = do well in 如:I'm good at math. = I do well in math. 我擅长于数学。

good to 对......好 Parents are always good to their children. 父母亲总是对他们的孩子好。

12) how many与how much

many表示“多少”,对数量提问,后面接可数名词的复数形式。如:

There are four people in my family. ---How many people are in your family? 你家里有几个人?

We have seven classes every day. ---How many classes do you have every day?你们每天上几节课?

much也是表示“多少”,但它对不可数名词进行提问。如:

There is some milk in the bottle. ---How much milk is there in the bottle? 瓶子里有多少牛奶?

much还可以对价格提问,表示“多少钱”的意思。如:

The yellow T-shirt is only 35 yuan.

---How much is the yellow T-shirt? 那件黄色的T恤衫多少钱?

13) decide的几种句式

de to do sth 决定去做某事

They decide to fly kite on weekend. 他们决定在周末去放风筝。

de on doing sth 决定做某事

They decide on flying kites. 他们决定放风筝。

de on sth 就某事决定......

Betty decided on the red skirt. 贝蒂选定了那条红裙子。

de的名词形式为decision,结构:make a decision,意为“做决定”。

如:He has made a decision. 他已经做一个决定了。

43) too many,too much与much too

many意为“太多”,用于修饰可数名词的复数。如:

There are too many students in our class. 我们班上有太多的学生。

much意为“太多”,用于修饰不可数名词。如:

We have too much work to do. 我们有太多的工作要做。

too表示“太”,用来修饰形容词或副词。如:

The box is much too heavy, so I can't carry it. 箱子太重了,所以我搬不动它。

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