中考英语语法教学课件-专题8 系动词和情态动词

(共44张PPT)
专题1 　名词
专题2 　代词
专题3 　冠词
专题4 　数词
专题5 介词和介词短语
专题6 形容词和副词
专题7 连词
专题8 系动词和情态动词
专题9 动词短语及词义辨析
专题10 动词的时态和语态
专题11 非谓语动词
专题12 主谓一致
专题13 简单句（陈述句、疑问句、感叹句、祈使句、倒装句）
专题14 复合句（宾语从句、状语从句、定语从句）
专题8 　系动词和情态动词
专题8 　系动词和情态动词
┃考点直击┃
中考考点
1．系动词be, look, smell, get, become, turn, keep等
的基本用法。
2．情态动词can, must, need, may等的基本句型结构
及主要用法。
(1)系动词不能独立作谓语，必须与表语一起构成谓语。
(2)情态动词需和动词原形连用一起构成谓语，没有人
称和数的变化。常见考点如下：
专题8 　系动词和情态动词
1　系动词加形容词作表语
常考的系动词有keep(保持), look(看起来)，feel(觉得，摸起来), smell(闻起来), sound(听起来), taste(尝起来)，become/grow/turn/get(变得)。如：
He always kept silent at meeting.
他开会时总保持沉默。
He looks ______. 他看起来很累。
This kind of cloth ______ very soft.这种布手感很软。
He became mad after that. 自那之后，他疯了。
tired
feels
2　must的用法
1．must在肯定句中表示“必须”。如：
When traffic lights are red, we must stop and wait.
当红灯亮时，我们必须停下来等。
2．mustn't表示“禁止”。如：
You mustn't play like that any more.The final exam is coming.你千万别那样玩了，期末考试要到了。
专题8 　系动词和情态动词
专题8 　系动词和情态动词
3．must用在肯定句中表示较有把握的推测，意为“一定”。如：
You have worked hard all day. You ______ be tired.
你工作一整天了，一定累了。
must　
专题8 　系动词和情态动词
4．must引起的一般疑问句，肯定答语要用must，否定回答用needn't/don't have to。如：
—Must we finish the work today
我们必须今天完成这项工作吗？
—Yes, you must. It can't be put off any longer./—No, you _________. You can do it tomorrow.
是的，你必须，不能再推迟了。/不，你不必，你们可以明天再做。
needn't
5．must 表示主观意愿；have to 表示由于客观原因而“不得不”。如：
I must do my homework first.我必须先做作业。
It's late. I _________ go home.
天黑了，我不得不回家了。
专题8 　系动词和情态动词
have to 　
3　can与could
1．can表示“能，会”，could是can的过去式。 如：
She can speak English and French.
她会说英语和法语。
2．两者都表示请求许可，could语气更委婉。如：
Could I have a cup of water？I am very thirsty.
我能喝杯水吗？我很渴。
专题8 　系动词和情态动词
3．can’t表否定推测。如：
—Listen! Is Tom singing in the classroom
听，是汤姆在教室里唱歌吗？
—No. It can't be Tom. He has gone to Paris.
不，不可能是汤姆，他去巴黎了。
专题8 　系动词和情态动词
4　had better的用法
“had better＋do /not do”意为“最好做/最好不做……”。如：
You had better ___________ wine because you have to drive back home.
你最好别喝酒，因为你不得不开车回去。
专题8 　系动词和情态动词
not drink
专题8 　系动词和情态动词
5　need的用法
need 表示“需要”，多用于否定句和疑问句中。疑问句的肯定回答用must，否定回答用needn't。如：
You needn't worry about me. I feel much better now.你不必担心我，我现在感觉好多了。
—Need I clean the room now
我需要现在打扫房间吗？
—Yes, you must./No, you _________．
是的，你必须。/不，不必。
needn't 　
6　may的用法
1．表示可以、请求、许可。如：
—May I use your pen 我可以用你的钢笔吗？
—Sure. Here you are. 当然，给你。
2．表示推测、也许，但没把握。如：
He may come here by bus, but I'm not sure.
他也许会乘公交车来这儿，但我不确定。
专题8 　系动词和情态动词
7　易错点
1．情态动词表推测： 没把握用may，有把握肯定用must，否定用can't。
2．mustn't 表示“禁止”。
3．以must, need 开头的一般疑问句的回答。
专题8 　系动词和情态动词
1．________ I see your ID card, sir We
have to check your information.
A．May　　　　　　　B．Must
C．Should D．Need
┃考点过关 ┃
【答案】 A
专题8 　系动词和情态动词
2．—Where would you like to spend
your holidays
—At home. I ________good when I stay with my
family.
A．smell B．feel
C．taste D．sound
【答案】 B
专题8 　系动词和情态动词
3． —Whose is the pencil box
—It ________ be Tom's. Look at his name on the
cover!
A．can　　B．may　　C．must　　D．need
【解析】 C　本题考查情态动词表示推测的用法。must be意思是“一定是；肯定是”。
专题8 　系动词和情态动词
4．I'm sorry.I ________ go now. My
father is waiting for me.
A．can B．may
C．have to D．could
【答案】 C
专题8 　系动词和情态动词
5．You ________ eat the soup if you don't
like it.
A．shouldn't B．mustn't
C．needn't D．can't
【答案】 C
专题8 　系动词和情态动词
6．His answer ________ nice. Please
write it down.　
A．feels B．sounds
C．tastes D．smells
【答案】 B
专题8 　系动词和情态动词
7．With the help of the teacher，you
________ make great progress.
A．can B．must
C．need D．should
【答案】 A
专题8 　系动词和情态动词
8．Tom, please be quiet. The others
________ hear very well.
A．can't B．mustn't
C．shouldn't D．needn't
【答案】 A
专题8 　系动词和情态动词
9． It's a secret. You ________ tell
anyone about it.
A．mustn't B．must
C．can D．can't
【答案】 A　
专题8 　系动词和情态动词
10．—Do we have to finish our homework this afternoon
—Yes, you ________．
A．must B．can
C．may D．need
【答案】 A
专题8 　系动词和情态动词
1．The food here smells good, but what does it
________ like
A．taste B．touch
C．seem D．feel
┃语法专练 ┃
【答案】 A　
专题8 　系动词和情态动词
2．Spring is a beautiful season when all trees
________ green.
A．turn B．sound
C．feel D．become
【解析】 A　turn 表示在颜色和性质等方面与以前完全不同，强调变化的结果。 　　
专题8 　系动词和情态动词
3． Many students come from poor families
and they ________ afford school lunches, so the
government is trying to help them.
A．needn't B．shouldn't
C．can't D．mustn't
【解析】 C　can't afford (to do) sth 意为“支付不起……”。 　
专题8 　系动词和情态动词
4．My uncle ________ be tired, because he has been
running for a long time. But my aunt ________ be
tired for she has just begun to run.
A．may not; must B．must; can't
C．can't; must D．must; mustn't
【解析】 B　must表推测时，语气最强烈，意为“肯定，一定”；can't表示否定的推测，意为“一定不(是)”。　
专题8 　系动词和情态动词
5．________ you sing English songs when you were
5 years old
A．Can B．Need C．Could D．May
【解析】 C　根据时间状语从句可知主句要用过去时。 　
专题8 　系动词和情态动词
6．His brother ________ play computer games because
it doesn't work.
A．may not B．can't
C．mustn't D．needn't
【解析】 B　can't意为“不可能”。
专题8 　系动词和情态动词
7．—Mum, must I stay there the whole day
—No, you________. You ________come back after
lunch, if you like.
A．mustn't; can B．needn't; must
C．needn't; may
【解析】 C　needn't 意为“不必”；may意为“可以”，表示说话人同意、许可或请求对方许可。
专题8 　系动词和情态动词
8．—________ I take some photos here
—No, you ________．
A．May; mustn't B．Must; mustn't
C．May; needn't D．Could; won't
【解析】 A　用may提问时，否定回答用mustn't或can't.　
专题8 　系动词和情态动词
9．I ________ stop playing computer games because
of my poor eyesight.
A．may B．can't
C．have to D．mustn't
【解析】 C　have to 表示客观原因，意为“不得不”。　
专题8 　系动词和情态动词
10． —What do you want to eat for lunch
I will prepare earlier today.
—Honey, you________. Let's go out to have
something different.
A．mustn't B．can't
C．shouldn't D．don't have to
【解析】 D　don't have to 意为“不必”，相当于needn't。
专题8 　系动词和情态动词
11．Drivers ________wear the safety belt
when driving. This is the traffic rule.
A．can B．may C．will D．must
【解析】 D　句意： 驾驶员在驾驶的时候必须系安全带。　
专题8 　系动词和情态动词
12．You ________ be careful when you go across the
street.
A．need B．can C．must D．may
【答案】 C　
专题8 　系动词和情态动词
13．—Must I go to medical school and be
a doctor like you, dad
—No, you ________，son. You're free to make
your own decision.
A．can't B．mustn't
C．shouldn't D．needn't
【答案】 D　
专题8 　系动词和情态动词
14． A lot of foreigners ________ familiar
with the famous places of interest in China.
A．am B．is C．are D．be
【答案】 C　
专题8 　系动词和情态动词
15．There's only one day to go. You
________ finish your schoolwork by tomorrow.
A．can B．will
C．must D．may
【答案】 C　
专题8 　系动词和情态动词
16．—Who's the man over there Is it Mr.
Black
—It ________ be him. He's much taller.
A．may not B．can't
C．will not D．mustn't
【答案】 B　
专题8 　系动词和情态动词
17． —Honey, stay home before I return.
—I ________， mum.
A．must B．can
C．will D．should
【答案】 C　
专题8 　系动词和情态动词
18．—Must I finish my homework now
—No, you ________. You can go home now.
A．needn't B．mustn't
C．shouldn't D．can't
【答案】 A　
专题8 　系动词和情态动词
19．—Someone is knocking at the door. Is it Ann
—It ________be her. She is giving a performance
at the theater now.
A．may B．must
C．can't D．mustn't
【答案】 C　
专题8 　系动词和情态动词
20． —________ you sing an English song
—Yes, I can.
A．Can B．May
C．Must D．Need
【答案】 A　
专题8 　系动词和情态动词