use用法及小结

2024-09-04

use用法及小结(精选6篇)

篇1:use用法及小结

初中课本中use用法小结

一、作及物动词,发音为/ ju:z /。

1.译为“用,使用”。例如:

We can use the lift to go up and down.2. 译为“发挥,行使”。例如:

He promised to use his influence.3. 译为“消耗,用尽”。例如:

They have used money up.4. 译为“利用”。例如:

He was used by a stranger.5. 译为“对待,相当于treat”。例如:

He used his friends worse than ever.二、作名词,常与of 连用,发音为/ ju:s /。

1. 译为“用法,应用,使用,用途”。例如:

He makes good use of his time.2. 译为“使用权,使用能力”。例如:

He gave me the use of his bike.3. 译为“效用,益处,价值”。例如:

What’s the use of worrying?

4. in use译为“使用之中,使用着”。例如:

The lab is in use.三、几种变化。

1. use(名词)→ use(动词)

2. use(动词)→ used(形容词)used cars 二手车

3. use(动词)→ useful(形容词)有用的

4. useful(形容词)→ usefulness(名词)有用,用处

5. use(名词)→ useless(形容词)无用的6. use(名词)→ user(名词)使用者,用户

四、构成的短语词组。

1. used to do sth.过去常常做某事。(现在不做了)例如:

My father used to be a teacher.He used to have long hair.其否定形式常用didn’t use to 或 used not to。例如:

She didn’t use to / used not to wear a skirt.2. be used to sth / doing sth.习惯于某事或者习惯做某事,其中to为介词,其后跟名词,代词或形容词。例如:

I am used to getting up early.I wasn’t used to city life, but now I have got used to living in this city.3. be used to do sth = be used for sth / doing sth.被用来做……,是被动语态,其中to 为不定式符号。例如:

A knife can be used to cut things.Seal’s fur can be used for coats.4. make use of sth.利用,使用某物。其中use也是名词,可用 good、full、more、little等形容词修饰。例如:

We must make good use of time to study.5. use one’s head 动脑筋,仔细考虑。例如:

Use your head and you’ll find a way.

篇2:use用法及小结

used to表示过去常常做某事.

例句:I used to play football after school.过去我常常在放学后踢球.

be used to do的意思是被用来做某事;be used to doing的意思是习惯于做某事.

used to 过去常常做某事

be used to 被用来做:

used to / be used to (楼上的几位请注意,be used for才是被用来做什么)

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.

Mother used not to be so forgetful.

Scarf used to take a walk.(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.

He is used to a vegetarian diet.

Scarf is used to taking a walk.(现在习惯于散步)

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.

Mother used not to be so forgetful.

Scarf used to take a walk.(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.

He is used to a vegetarian diet.

Scarf is used to taking a walk.(现在习惯于散步)

use和哪些词更搭:

in use

在使用中,被使用,通用

out of use

adv.不被使用,废弃

use up

篇3:it用法小结

1.指代前文中提到过的事物或前文的内容。如:

They watched the football match until it was over.他们看足球赛一直看到比赛结束。

You mustn’t read in the sun.It’s bad for your eyes.

你不要在阳光下看书, 这对你的眼睛不好。

2.指代指示代词this或that。如:

—What’s this?这是什么?

—It’s a book.那是一本书。

3.指代时间。如:

It’s summer in Australia now.澳大利亚现在是夏季。

4.指代天气。如:

—What’s the weather like in Beijing now?现在北京的天气如何?

—It’s very cold.天气很冷。

5.指代距离。如:

It’s half an hour’s walk from my home to the school.

从我家到学校是半小时的步行路程。

6.指代人, 主要包括两种情况:

▲指代在说话人心中身份尚不确定的人, 常在敲门或打电话时使用。如:

1) —Who is it?谁啊?

—It’s me.是我。

2) —Who’s that?Is it Kate?是哪位啊?是凯特吗?

—Yes, you’re right.It’s Kate.是, 你说对了。我是凯特。

▲指代性别不详的婴幼儿, 或不强调此人性别。如:

The child smiled when it saw its mother.那个孩子在看到它的母亲时笑了。

7.指代时间。如:

—What time is it?几点了?

—It’s ten.十点。

it表示时间, 常被用于以下句型:

▲It is time (for sb.) to do sth.或It is time for sth., 表示“是 (某人) 该做某事的时间了”、“到……的时候了”。如:

It’s time for us to start the lesson now.现在到我们开始上课的时间了。

▲It is/has been+时间段+since+从句, 表示“从……以来已有……时间”。此结构可以与另一种句型进行同义句转换。如:

It is/has been three years since he came here.=He has been here for three years.

他到这里已经三年了。

▲It is time that sb.did sth.表示“某人该做某事了”。从句常用过去时态 (虚拟语气) 说明现在应该做的事。如:

It is six o’clock.It is time that we went home.现在是六点钟, 我们该回家了。

it在句型中的运用

1.it作形式主语, 代替作真实主语的动词不定式:

▲It is+adj.+ (for/of sb.) +to do sth.

此句型中用for还是of要根据前面的形容词来定。如果形容词是用来对不定式中的做法进行评价的, 如difficult, easy, hard, important, dangerous等, 用for;如果形容词是描述不定式中动作实施者的性格、品质的, 如kind, good, nice, clever等, 则用of。如:

1) It is important for him to catch the early bus.赶早班车对他很重要。

2) It is kind of you to help me.你来帮我真好。

还有一种判断方法, 就是看该句型转换为sb.+am/is/are+adj.+to do sth.之后是否合理。如句2) 即可转换为You are kind to help me.而句1) 转换之后并不合理。其中的原理与上面的说法是相同的。

▲It takes (sb.) some time to do sth.意为“某人花……时间做某事”。如:

It took me a week to finish reading the book.我花了一周时间看完这本书。

▲It is+one’s turn/duty/pleasure+to do sth.意为“轮到某人做某事”、“做某事是某人的责任、愉悦的事”。如:

It’s your turn to be on duty today.今天轮到你值班了。

2.it作形式主语, 替代作真实主语的主语从句:

▲It is+adj.+that从句。如:

It is true that some ads can be very useful.确实有些广告很起作用。

▲It seems+that从句。如:

It seems that he is quite interested.看来他很感兴趣。

▲It is said/reported/believed+that从句, 常译为“据说/据报道/据悉……”。如:

It is said that she is going to get married next month.据说她打算下个月结婚。

3.it作形式主语, 替代作真实主语的动名词短语:

It+is+adj.+doing sth.。如:

It’s really dangerous playing in the street.在街上玩真地很危险。

4.it作形式宾语, 替代作真实主语的不定式、动名词或宾语从句:

“主语+谓语+it+宾语补足语+真实主语”

该句型中, 常见的谓语是think或find, 宾语补足语通常由形容词、名词等充当。如:

He found it not easy to learn a foreign language well.他发现学好一门外语不容易。

We think it no good reading in bed.我们认为躺在床上看书没好处。

I think it necessary that we have the meeting.我想我们有必要召开这个会。

5.用于强调句中, 强调谓语动词以外的任何句子成分。

It is/was+被强调部分+that (who) …

It was in the street that I met him.我是在街上遇到他的。

巩固练习:

1.上学期谁教你们英语?是史密斯先生吗?

Who taught you English last term?______________________Mr.Smith?

2.我们认为在七点前赶到那里是不可能的。

We think__________________________________________________before 7 o’clock.

3.对我们来说保护环境是非常必要的。

__________is pretty necessary___________us_____________________our environment.

4.他搬到石家庄已经有五年的时间了。

___________has been five years since he______________________Shijiazhuang.

5.是他帮助这个老人过的马路。

It was______________________helped the old man cross the road.

篇4:use用法及小结

1. Uncle Wang looks so fine in recent days. He_______ a lot,but he has given it up.

A. was used to smokeB. used to smoke

C. was used to smokingD. is used to smoking

2. Mum prepares breakfast for us every morning,so she_______ early.

A. used to get upB. is used for getting up

C. used to getting upD. is used to getting up

3. Mr Smith told me that he wasn’t used to_______ by plane and he used to_______ sick a lot.

A. traveling;feel B. travel;feeling

C. travel;feel D. traveling;feeling

4. Usually computers_______ to search the Internet.

A. use B. are using

C. are used D. used

5. All the information except these two pieces_______ writing the article.

A. have been used toB. has been used to

C. have been used forD. has been used for

(Key:1. B 2. D 3. A 4. C 5. D)

要想做好上面几道题,就必须弄清(be) used to及其相关词语的意义和用法。

1. used to

used to后面应接动词原形,used to do sth表示“过去常常做某事(而现在不做了)”。它不仅用来表示“过去的习惯”,也可用来表示“过去的状态”。例如:

I used to swim in this river when I was young. 我小的时候常在这条河里游泳。

There used to be an apple tree in my garden. 过去在我家的花园里有一棵苹果树。

使用used to时还应注意以下三点:

(1) 在书面语中,used to的否定形式为used not to。 在口语中,used to的否定形式为usedn’t to或didn’t use to。 例如:

She used not to like Beijing Opera. /She didn’t use to like Beijing Opera. 过去她不喜欢京剧。

(2) 把含有used to的陈述句改为一般疑问句时,可以把used提至句首,也可在句首用did。 例如:

Used it to rain a lot here in summer? /Did it use to rain a lot here in summer? 过去这儿夏天经常下雨吗?

(3) 对含有used to的陈述句进行反问时,构成反意疑问句的形式有两种。一是在附加问句中加助动词did,二是在附加问句中直接使用used或used’t。 例如:

You used to study hard,didn’t you/usedn’t you? 你过去学习努力,对吗?

2. be used to

be used to有不同的时态形式,其中的to是介词,后面常接名词或V-ing形式,be是系动词。 be used to的意思是“习惯于……”,强调状态。有时be可以换为get或become,以表示“逐渐习惯于”之意。例如:

Old people are used to getting up early in the morning. 老年人习惯早晨早起。

You’ll soon become used to the work here. 你马上就会习惯在这儿工作的。

I wasn’t used to city life,but now I have got used to living in this city. 我以前不习惯都市生活,但现在我已习惯住在这座城市了。

3. be used to do sth

被动结构be used to do sth中的to是动词不定式符号,后接动词原形;而be used为被动形式,表示“被用来做某事”。例如:

Coal can be used to keep warm. 煤可以用来取暖。

4. be used for (doing) sth

被动结构be used for中的for是介词,后接名词或V-ing形式,表示“……被用来做某事”,与be used to do sth同义。例如:

Keys are used for locking and opening the door. /Keys are used to lock and open the door. 钥匙用来锁门和开门。

5. be used as sth

被动结构be used as意为“被用作……”,其中的介词as表示“作为”之意。例如:

This grammar book can be used as a textbook. 这本语法书可当教科书使用。

6. be used by sb

被动结构be used by sb表示“被……使用”,其中介词by的后面接动作的执行者。例如:

English is widely used by the people all over the world. 英语被全世界的人广泛使用。

【练一练】 从A、B、C、D四个选项中选择最佳答案。

1. He used to_______ in the sun,but now he is used to_______ in the library.

A. read;read B. reading;read

C. read;reading D. reading;reading

2. —_______you_______ take a bus to school?

—Yes. But now I usually go to school on foot.

A. Did;use to B. Were;used to

C. Do;use to D. Usedn’t;to

3. —What do you use this tool for?

—It_______ hair.

A. is used by B. is used for cutting

C. is used as cutting D. is used to cutting

4. During the war the house_______ a prison.

A. is used as B. was used for

C. used to be D. was used as

5. His father never used to smoke,_______ he?

A. usedn’t B. didn’tC. used D. does

篇5:use的用法总结

在山上,他必须用低速挡。

Can I use this plug for my iron?

我能用这个插座插一下熨斗吗?

They use a lot of big words.

篇6:used to do的用法总结

士兵过去都要在北爱尔兰服役六个月。

I used to do that when you were a little girl, remember?

在你还是小女孩的时候我曾经那么做过,记得吗?

Potential energy can be used to do work.

势能可以用来做功。

The lecturer used to do well, but he seems to have gone off now.

这个讲师以前挺好,但如今似乎讲得差了。

I used to do it all the time.

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