情态动词讲解PPT课件

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These dishes need be cleaned carefully. These dishes need to be cleaned carefully. These dishes need cleaning carefully.
2020年10月2日
7
注意对need问句的回答:
--Need I finish the work today? --Yes, ____y_o_u_m__u_s_t_____.
He daren’t speak English before such a crowd, dare he?
2020年10月2日
6
Nobody need to be afraid of catching the disease. Nobody need be afraid of catching the disease.
daren’t
done (sth.) need doing
2020年的410月.2d形日a式re出有现其;过去时dared.
5
判断正误: How dare you say such a thing?
How dare you to say such a thing?
He daren’t to speak English before such a crowd, did he?
+ V.
+ V.
2. He must have known what we wanted. 3. We may have read the same report. 4. He can’t have slept through all that noise. 5. There’s someone outside----who can it be? 6. What can they be doing? 7. These pills might help to cure your disease. 8. You could be right, I suppose.
情态动词 (+动词原形)
行为动词
1.无人称和数的变化; need 2.尤其用于:
*否定句及疑问句中;
多用于肯定句;
(sb.) need to do
*在if/whether之后; .
dare to do
*或与hardly, never, (sth.) need to be
no one, nobody连用; dare 3.常以needn’t 和
How did you dare to tell her that?
I wonder whether he dare stand up in public.
I don’t know how she dares to wear that dress.
Do you need any help?
I wonder whether he need send it immediately.
I need hardly tell you that the work is dangerous.
The garden doesn’t need watering at the moment.
You needn’t finish that work today.
2020年10月2日
4
可兼做行为动词的情态动词:need 、 dare
(don’t have to)
2020年10月2日
--Must we do itHale Waihona Puke Baidunow? --No, you __n_e_e_d_n_’_t__.
(don’t have to)
9
表示推测——情态动词的重要用法.
1. You must be Mr Smith----I was told to expect you here.
2020年10月2日
10
表示推测——情态动词的重要用法.
情态动词
对将来
肯定的推测
+ V.
must 常见must be
对现在
对过去
+ V.
+ have done
+ be doing
可能的推测
may, might
否定的推测
can’t, couldn’t
疑问的推测
can, could 2020年10月2日
2.It has been announced that candidates(候选人)
____ remain in their seats until all the papers
have been collected.
(2002上海高考题)
A. can B.will C. may D. shall
3.--I heard they went skiing in the mountains last
winter.
(2002北京高考题)
--It ____ true because there was little snow there.
A. may not be
B. won’t be
C. couldn’t be 2020年10月2日
D. mustn’t be 2
can could may might shall should must will would ought to have to dare (daren’t) need (needn’t) used to
2020年10月2日
情态动词
表示推测 不表示推测
3
I daren’t ask her for a rise. 我不敢请求她加薪.
No, ____yo__u_n_e_e_d_n_’_t___. No, __y_o_u_d_o_n_’_t_h_a_v_e__to_.
2020年10月2日
8
needn’t 对其它情态动词的回答:
--Shall I tell John about it? --No, you __n_e_e_d_n_’_t__.
情态动词 modal verbs
课件制作:董建才
2020年10月2日
1
1.--Is John coming by train?
--He should, but he ____ not. He likes driving
his car.
(2002高考题)
A. must B. can C. need D. may
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