专题11 重点语法知识梳理三:情态动词及专练60题-六年级英语下学期期末考点大串讲(牛津上海版)
展开Ⅰ.情态动词
一、概论
情态动词是一种特殊的助动词,具有下列特征:
1. 情态动词具有一定的词义,能表达某种看法;如:can能,may可以,must必须,need需要,等等;
2. 情态动词不能单独作谓语,只能和实义动词的原形一起构成复合谓语;如:
Yu can stay here befre 5:00 ’clck. 你可以在这呆到五点钟。
We must have a talk right nw. 我们现在就必须谈谈。
3. 情态动词无人称变化,即任何事物做主语对情态动词来讲都无变化。但是情态动词有时态变化。时态变化会在以后分单词讲解,此处仅以can为例,看看人称对情态动词是否无影响:如:
I can dance very well.我舞跳得很好。
He can play basketball pretty well.他篮球打得很好。
I knw yu can play the pian fairly well.我知道你钢琴弹得很棒。
They all can swim quite well.他们游泳游得相当好。
常见的情态动词
can/can’t,能够/不能
① 表示"能、会",指脑力或体力方面的"能力"。例如: Jim can swim but I can't.吉姆会游泳,但我不会。
② 表示"可能",常用于否定句或疑问句中,指某种可能性。
例如: Han Mei can't be in the classrm.韩梅不可能在教室里。
Can he cme here tday, please?请问他今天能到这里来吗?
③ 表示"可以",常用于口语中,指许可或请求做某事。
例如: Can I have a cup f tea, please?请问我可以喝一杯茶吗?
Yu can g ut.你可以出去了?
④ 否定句型为: 主语+can nt(can't/cannt)+动词原形+其它。表示"某人不能(不会、不可能)做……"。其中can't是can nt的缩略式,英国多写成cannt。
例如: Yu cannt pass the ball like this.你不能像这样传球。 I can't ride a mtrbike.我不会骑摩托车。
must/mustn’t,必须/禁止
① 表示“必须”,此时可用于肯定句或疑问句。
例如:Yu must finish yur hmewrk befre I cme back.
② 用情态动词must提问,肯定回答用must;否定回答用needn’t。
例如:--Must I return the bk tday?
--Yes, yu must. / --N, yu needn’t
③ 用于否定句时,mustn’t的意思是“一定不要、不能”,而不表示“不必”
例如:Yu mustn’t walk yur dg n the grass. 你不能在草坪上遛狗。
shuld/shuldn’t,应该/不应该
shuld表示义务或责任时意为“应该”:
例如:We shuld learn frm each ther. 我们应该互相帮助。
We shuld help the aged. 我们应该帮助老人。
shuld 表示建议或劝告时意为“应该”:
例如:Yu shuld give up smking. 你应该戒烟。
【注】有时语气较强,含有命令的意味: Yu shuld leave at nce. 你应该马上离开 。
shuld的否定形式:shuldn’t不应该
Students shuldn’t spend t much time playing cmputer games.
学生们不应当花太多的时间玩计算机游戏。
★情态动词不能单独使用,必须与其后的动词原形构成谓语。
如:Yu can’t walk yur dg here. (can’t+walk)
Yu must finish yur hmewrk tday. (must+finish)
三、情态动词分类
1.表示义务——must
must 表示“必须”,强调主观,用于现在、将来时态,否定式 needn’t。
【鉴别 have t】have t 表示“不得不”,强调客观,用于现在,将来和过去时态。否定式为
dn’t /didn’t /desn’t wn’t have t。
2.表示猜测——must/may/might
75%把握的猜测:must,否定 can’t,句中通常有证据。
50%把握的猜测:may,否定 may nt,句中通常有 nt sure。
25%把握的猜测:might,否定 might nt,句中通常有 nt sure。
must 猜测的不同时态:
对现在或将来猜测时跟动词原形。例:Yu must be a gd student.
对过去猜测时后跟完成时态。例:Yu must have eaten t much last night.
3.表示请求——might/may/culd/can
might 的语气最客气,甚至有点过分谦卑,may 和 culd 最常用,比较客气,can 比较生硬。
【注意】:culd 表示请求,回答用 can/can’t;may 表示请求,回答用 can/may/can’t/mustn’t。
4.表示能力——can/be able t
表示现在或将来的能力时,用 can 或 be able t;
表示过去的能力时,culd 表示过去的本领;was/were able t 表示过去特定环境一次性的能力。
5.情态实义双胞胎——need/dare
作为情态动词时,need 和 dare 无三单变化;否定直接加 nt;后面加动词原形;
作为实义动词时,need 和dare 有三单变化;否定加 d/des/did nt;后面加 t d/ding sth;
6.had better/wuld rather
肯定句:had better/wuld rather d sth.
否定句:had better/wuld rather nt d sth.
疑问句:Had sb. better d sth.? / Wuld sb. rather d sth.?
7.祈使句回答——will
肯定 I will,否定 I wn’t
例:Please clean yur chimney next year.--Ok, I will.
Dn’t eat t much next yeat.--Ok, I wn’t.
8.表示指责——can’t/shuldn’t/ught nt t/mustn’t
温柔建议:can’t; shuldn’t; ught nt t;
强烈禁止:mustn’t,表示危险情形时,必须用 mustn’t。
一、单项选择
1.Jane ________ perfrm ballet at all when she was a little girl, but she ________ d it nw.
A.culd; canB.culdn’t; canC.culd; can’tD.culdn’t; can’t
2.What exciting news! ________ it be true?
A.CanB.ShuldC.MustD.Need
3.We ________ be mre careful, r we will lse the chance again.
A.canB.mightC.mayD.shuld
4.T everyne’s surprise, Alex ________ play chess very well when he was nly fur.
A.mightB.shuldC.wuldD.culd
5.—________ I share the table with yu?
—Of curse yu ________. Sit here, please.
A.Culd; culdB.May; culdC.Culd; canD.Can; shuld
6.Yu ______ clean the rm nw. Yu ________ d it after supper.
A.wn’t; mustB.dn’t have t; mayC.needn’t; mustD.shuld; can
7.— Dad, I get a parcel (快递). What’s in it?
— It ________ be a present frm yur grandpa. But I’m nt sure.
A.shuldB.mustC.mayD.need
8.The cat ________ be Peter’s, but I am nt sure.
A.can’tB.needn’tC.mayD.must
9.—Jhnny, is the sccer ball in the classrm yurs?
—N, it isn’t. It ________ be Jackie’s but I’m nt sure.
A.mayB.mustC.can’tD.needn’t
10.Students ________ wear schl unifrms frm Mnday t Friday. This is the rule f ur schl.
A.canB.mayC.mustD.will
11.—Shall I buy a cup f tea fr yu?
—________
A.N, thanks.B.N, yu aren’t.
C.N, please dn’t.D.N, please.
12.-____________ have a party this cming Friday?
- That's a gd idea.
A.Hw abutB.Will yuC.Let'sD.Shall we
13.-___________ have a lk at the high rises arund here?
- Gd idea.
A.D yuB.Shall weC.Shall yuD.Will we
14.The sign “N Smking” in the subway means passengers ________ smke.
A.canB.shuldC.mustn’tD.needn’t
15.— This rbt is great.
— Ww, it has vide cameras in its eyes, s it ________ “see” and interact(交流)with peple.
A.mayB.canC.mustD.shuld
16.—Chris, yu ________ swim alne. It’s dangerus.
—Oh, I wn’t d that again.
A.shuldB.shuldn’tC.had betterD.must
17.—_________ yur American friend eat with chpsticks?
—Yes, but he can’t use them well.
A.CanB.ShuldC.MustD.Need
18.— Wuld yu like t drink ________ juice?
— Yes, I’d lve t. But there isn’t _______ juice in the glass.
A.sme; smeB.sme; anyC.any; smeD.any; any
19.Tm ______ t g far if he _______ sme help. Our huse is next t his.
A.desn’t need; needB.needn’t; needsC.desn’t need; needsD.needn’t; need
20.—Mm, must I clean my rm?
—N, yu __________.
A.mustn’tB.needn’tC.can’tD.may nt
21.— Mm, must I take ut the trash nw?
— N, yu ________. Yu may take a rest first.
A.mustn’tB.can’tC.shuldn’tD.needn’t
22.—Must I wash my clth?
—I am afraid yu ________. Yu shuld learn t d smething by yurself.
A.needB.have tC.willD.can
23.Yu ________ g hme fr mney. I have enugh mney fr tw tickets.
A.dn’t have tB.have tC.shuldn’tD.may
24.—Culd we have a picnic here, Mum?
—I’m afraid we ________. The bys’ tent is nearby.
A.culdn’tB.canC.can’tD.culd
25.—It is t ht tday. ________ I swim in the river, Mm?
—N, yu ________. It’ s t dangerus!
A.Shuld; can’tB.Can; mustn’tC.May; needn’tD.Must; needn’t
26.—Jack, culd yu cme t my birthday party tmrrw?
—Srry, I ________. I have t lk after my grandmther at hme. She’s ill.
A.wn’tB.mustn’tC.culdn’tD.can’t
27.—Culd I have a lk at yur new strybk?
—Srry, I’m afraid yu ________. I am reading it nw.
A.wn’tB.needn’tC.can’tD.shuldn’t
28.—Culd I have a lk at yur iPad?
—________. I am playing a game nw.
A.Yes, yu canB.Srry, yu can’tC.Yes, yu culdD.N, yu culdn’t
29.— ________ yu please tell me yur pen pal’s name?
— Sure. His name is Jeff.
A.DB.CuldC.DesD.Are
30.— D yu have any plan fr this summer hliday?
— I’m nt sure. I ________ help with the wrk in the ld peple’s hme.
A.willB.shuldC.mustD.may
31.— Mm, I gt a big bx frm express(快递). What is it?
— I’m nt sure. It ________be a present frm yur grandmther.
A.shuldB.mightC.mustD.will
32.He ________ be at hme because he’s gne t Beijing.
A.mayB.might
C.can’tD.needn’t
33.—What will the weather be like tmrrw?
—It ________ be sunny, cludy r windy. Wh knws!
A.mustB.mightC.shallD.shuld
34.Yu ________ play near the heater. It’s dangerus.
A.mustn’tB.mustC.culdn’tD.culd
35.We __________ play with fire. It’s t dangerus.
A.canB.mustC.mustn’tD.needn’t
36.Nick, yu ________ play games here. Yur father is sleeping.
A.can’tB.mustn’tC.desn’tD.needn’t
37.—________ we have a meeting tmrrw mrning?
—N, we will nt. We will wrk in the bus statin as vlunteers.
A.WillB.ShallC.CanD.May
38.We ________ be mre careful, r we will make the same mistake in the experiment.
A.mightB.canC.mayD.shuld
39.In rder t speak English better, we _________ be afraid f lsing face. Because the mst imprtant thing is t practice. Remember, practice makes perfect.
A.shuldB.shuldn’tC.have tD.may
40.—Where is my umbrella?
—It’s fine tday. Yu _________ take an umbrella with yu.
A.can’tB.needn’tC.mustn’tD.shuldn’t
41.We ________ frighten the animals in the park.
A.ught tB.ught nt tC.willD.shuld
42.— Must I take a raincat with me?
— N, yu ________. It wn't rain tday.
A.mustn'tB.can'tC.wn'tD.dn't have t
43.— If yu try hard, yur dream will .
— Yes, I .
A.cme true; willB.be truly; willC.cme true; dD.be true; d
44.—I dn’t care what peple think.
—Yu ____.Yu are nt alne in the wrld.
A.canB.mayC.shuldD.will
45.--Hney, stay hme befre I return.
---I _______, mum.
A.mustB.canC.willD.shuld
46.Yu ________ cme if yu dn’t want t.
A.can’tB.mustn’tC.wuldn’tD.dn’t have t
47._________ nt yu like t cme t my party?
A.ShallB.WuldC.ShuldD.Will
48.Mre and mre peple _________ like t g t wrk by undergrund.
A.culdB.shuldC.wuldD.had
49.Cathy, wuld yu please ______ the bx? It’s fr yur sister.
A.nt penB.dn’t penC.nt t penD.t nt pen
50._______yu like t eat sme apples?
A.CanB.MayC.MustD.Wuld
51.It's cld utside. Wuld yu please the windw?
A.much t;nt penB.much t;nt t pen
C.t much;nt t penD.t much;nt pen
52.—Wuld yu like sme range juice, Millie?
—_______. It’s my favurite.
A.N, I’m nt thirstyB.N, thanks
C.Yes, I dD.Yes, please
53.He ________ hmewrk right nw. He can finish it tmrrw.
A.needn’t t dB.desn’t need tC.needn’t dingD.desn’t need t d
54.—________ I get hme befre 8:00 p.m.?
— N, yu ________.
A.Must; mustn’tB.Can; needn’tC.Culd; dn’tD.Must; needn’t
55.Yu ________ wrry abut yur hmewrk. It’s better ________ a rest if yu are tired.
A.dn’t have t; t haveB.dn’t need t; having
C.have nt t; t haveD.needn’t; having
56.He ________ stay in the classrm. He can g ut t play nw.
A.hasn’tB.desn’t have tC.hasn’t tD.has t
57.We ________ make nises in the evening when peple fall asleep.
A.shuldB.shuld ntC.can'tD.ught t
58.—Can I leave the lights ________? I’ll be back sn.
—Yu’d better ______ that. We shuld save energy.
A.pen; nt dB.pened; nt dingC.n; nt dD.n; nt t d
59.________ they like shpping. We ________ take them t the shpping mall.
A.Maybe; mayB.May; maybeC.May be; mayD.Maybe; may be
60.—What shuld we d t help the children in pr areas?
—We ________ cllect sme bks fr them.
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