【精选】2020年中考英语语法复习6《情态动词》

2020年中考英语语法复习方案6《情态动词》

【趋势解读】

情态动词是各地中考的必考点， 主要考查情态动词的基本用法， 考题贴近生活实际， 体

现语言学习的实用性。要求考生熟知情态动词的基本特点，掌握常见倩态动词的各种用法。

考生答题时需认真体会语境，揣摩说话者的语气强弱和态度。难度适中，一般分值在 1}2

分。预计中考关于本专题知识命题趋势如下 ：

(1)各地中考情态动词考查的热点为表推测、 许可及义务含义的情态动词， 尤其是对must

三种用法的考查是重中之重。

(2)自主招生考试的重点将关注情态动词表示推测的用法及情态动词与现在完成时连 用。A值为1~2分。

【思维引导】

精彩笔记1表示能力的情态动词

去示意义 例调 用法 否定式 例旬

表夏荏眼牌来能林夏串

If you savt new b you can{ will be Able to] buy

A ctr socr.虻果你现在存钱的诰，不久就爱买一辑汽车了“

I can climh the Tnountam.

I am able fo climb the rwunitiirL 我能登上那could ■

亲示过去能做某事

HE CDULLI speak En^iish the of 3Kd ™ lit 帆七F

able io speak English at thr 电算e of one.

注意:表示具有某种能力的还有半情态动词 be able to,但是和can有区别，can只有现在

式和过去式。be able to可以有更多的时态。

核心题根 1 (1) I'm going to Europe on vacation together with John if I find the money.

A. can B. might C. would D. need

思路点拨：①考查情态动词表示能力。

②句意:如果我现在能有足够的钱，我将和 John 一起去欧洲度假。

③can “能，会”，表示体力、智力、技能方面的能力 ；might "可能，可以”，表示可能 性推测；would "愿意"；need "需要”，表示必要。

(2) —No one be compared with Yao Ming in playing basketball. —Oh,you are really his big fan.

A. can B. need

C. must D. might

思路点拨：①句意：一在打篮球方面没有人能和姚明相比。一你真是他忠实的粉丝。

②此处应填表示能力的情态动词。 can “能，会”，表示能力；need “需要”；must “必须”，

表示义务；might "可以，可能”，表示请求许可或可能性的推测。

Would you please repeat it?

B. mustn't

D. shouldn't

(2)Hate cannot drive out hate; only love

A. can B. must

(3) The police still haven't found the lost child, but they are doing all they

A. can

C. must

知识归纳

(1) was/were able to do sth相当于succeeded in doing sth,“表示过去有能力做并且成功地 做了”。

(2)could have done表示过去有能力做但未做。

例如：

The fire spread through the supermarket quickly, but everyone was able to get out. 尽管大火同类变式1 (1) I

A. can't

C. needn't follow you.

do that.

C. should

B. may

D. should 迅速地蔓延到整个超市，但是每个人都逃出来了。

I could have worked out the problem, but I was too nervous. 我本来可以解出这道题，但 是我太紧张了。

精彩笔记2 表示义务责任：have to/must和Should/ought to

1.must/have to 和 needn't 的用法

(1)现在或将来必须做的事 ：must/have to do sth

如:Ori must/has to wear a School uniform. Ori 必须穿校服。

(2)现在或将来不必做的事 ：don't have to do sth; needn't do sth=don't need to do sth

2.should 和 ought to 的用法

(1)should和ought to表示义务、责任，意为"应该”。表示责任义务时语气由强到弱排 列应该是

must>ought to>should ,即 ought to 的语气强于 should,弱于 must。

(2)与不定式完成体连用时表示对“本应该做而没有做某事”的责备。

例如：You should(=ought to)90 to class right now.你应该立即去上课。

Should I open the window? 我应该打开窗户吗 ？

核心题根 2-1 All passengers go through safety check before they take a plane.

A. can B. may

C. must D. ought

思路点拨：can “能，会”，表示能力；may “可以”，表示请求允许；must “必须”，表示必 须做;ought “应该”，表示义务。根据句意“乘飞机之前所有的乘客必须通过安检” ，可推断

此空应填表示“必要性”的情态动词。

(2)I worry about my weekend — I always have my plans ready before it comes.

A. can't B. needn't

C. shouldn't D. daren't

思路点拨：①can't"不能，不会做"；needn't"不必，没有必要做"；shouldn't"不应」daren't “不敢”。

②根据句意“我不必担心周末一到周末之前我总会做好计划的" ，可推断worry之前应

填“没有必要”。

同类变式2-1 (1)改写以下句子，用 must或have to来代替斜体印出的部分。

① It will be necessary ,for you to see a doctor.

② Is it necessary for you to make so much noise?

DShe said it would be necessary for us to stay here.

④ It is necessary for me to have some help.

⑤ it was necessary for him to go out last night.

(2)If you smoke, please go outside.

A. can B. may C. must D. might

(3) It's quite warm here; we turn the heating(暖气)on yet.

A. couldn't B. mustn't C. needn't D. wouldn't

知识归纳

(1) must/have to必须，一定要。have to有人称、数和时态的变化 ；must没有变化。如:

He had to see the dentist yesterday 他昨天不得不去看了牙医。

Ori will have to stay at home tomorrow.奥利明天将不得不待在家里。

(2)must强调说话人的主观看法， have to强调客观需要。

(3)不要混淆了 mustn't与needn't和don't have to: mustn't是强调"禁止做某事"，"没有 必要筱 用

needn't或don't have to表不。

核心题根 2-2 (1) As middle school students, we be afraid of difficulties if we want to make our dreams come

true.

A. must B. shouldn't C. need 思路点拨：考查表示义务的情态动词的用法。 must"必须"，shouldn't "不应该"，need "需

要”。根据句意“作为中学生，如果我们想要梦想成真，我们就不应该害怕困难”可知此空 要填“不应该”才符合题意。

(2) — My cat's really fat.

一 You have given her so much food.

A. wouldn't B. couldn't C. shouldn't D. mustn't

思路点拨：句意:一我的猫真的很胖。一你(本)不应该喂它那么多吃的东西。

shouldn't+have done表示"本不应该做的事情却做了"。根据对话的情景可知， 第二句的

内容是第一句猫太胖的原因一喂了太多的食物。换句话说就是 ：你不应该喂它那么多食物。

同类变式 2-2 (1) — What do you think we can do for our aged parents?

—You do anything except to be with them and be yourself.

A. don't have to B. oughtn't to

C. mustn't D. can't

(2) —How's your tour around the North Lakes Is it beautiful?

——It be, but it is now heavily polluted.

A. will B. would C. should D. must

(3)—Turn off the TV , Jack. your homework now? 一 Mum, just ten more minutes, please.

A. Should you be doing B. Shouldn't you be doing

C. Couldn't you be doing D. Will you be doing

知识归纳

(1)在疑问句中，通常用 should代替oughtto。

(2)ought to "应该"，否定形式为ought not to或oughtn't to,其一般疑问句形式是将 ought

置于主语前。如：

I ought to write to him today.我今天应当给他写信。

Humans oughtn't to pollute nature.人类不应污染大自然。