I must…句型操练PPT课件

Could I come to see you tomorrow?
Yes, you can. （否定答语可用No, I'm afraid not.）
用法: ①表示请求或允许 : May I go home，please? (可以)
Yes, you may. No, you _m_u_s_t_n_’_t_/_you can’t.
must开头的疑问句，其否定回答通常用 don‘t have to 或needn’t 。而不用mustn't
---Must I finish my homework first? --- Yes, you must. --- No, you don't have to/ needn't.
(需要) 既可以做情态动词, 也可以做实意动词 用法: ① 情态动词 (need do sth) I need buy a big house.
9. You ___A_____do it if you really don't
want to.
A. needn’t B. mustn’t
C. can’t
D. couldn’t
10. — Could I borrow your dictionary?
— Of course you _A_____.
5. — Fifty dollars for such a T-shirt!
You __A__ be joking!
— I’m serious. It’s made of silk.
A. must
B. need
C. may
D. can
6. — Have you decided where to go for

He can _j_u_m_p__.
I can __sp_e_a_k_.
He can _r_u_n___.
She can _ju_m_p___.
He can _r_u_n___.
She can _w__al_k__.
She can __ju_m_p__.
It can __r_un___.
He can jump. Can you jump?
Yes, I can.
He can walk. Can you walk?
Yes, I can.
He can run. Can you run?
Yes, IБайду номын сангаасcan.
He can speak. Can you speak?
Yes, I can.
谢谢大家
荣幸这一路，与你同行
It'S An Honor To Walk With You All The Way
演讲人：XXXXXX 时 间：XX年XX月XX日
I can climb. Can you climb?
No, I can’t.
I can jump. Can you jump?
No, I can’t.
I can walk. Can you walk?
No, I can’t.
I can run. Can you run?
No, I can’t.
It can __w_a_lk__.
It can __ju_m_p__.
She can _w_a_l_k__.
It can __s_pe_a_k_.
He can _j_u_m_p__.
She can _sp_e_a_k__.

may +be +doing must be doing may +do
❖ can’t表示否定推测时，意为“一定不”，见下表所示
❖
发生的时间
谓语动词
对现在的推测
can’t be
对过去的推测
can’t have been/ done
对现在正在进行的推测 can’t be doing
对将来进行的推测
can’t do
❖ -No,you mustn’t.
❖ -No, you’d better not.
❖ 9.may (just) as well和might as well ❖ may/might as well +动词原形 ❖ 最好、满可以、倒不如=had better
❖ You may as well stay here over the night.
❖ Can this be true? ❖ 这会是真的吗？
❖ How can you be so careless! 你怎么这么粗心！
❖ 6.can 与be able to 的区别 ❖ ①表示能力时，二者同义。 ❖ ② be able to表示通过努力成功的做某事 ❖ ③ be able to表示“能力+并成功的完成” ❖ ④can常指现在，也可用于过去时态，但不可以用于完
must则不能。例如： ❖ 他明天必须去那里。
❖ 误：He will must go there tomorrow. ❖ 正：He will have to go there tomorrow. ❖ 正：He must go there tomorrow.
❖ can/could,may/might ❖ 1.这四个词均可用来表示请求许可，但在委婉程

—I am afraid you______, in case he comes late for the meeting .
A.will
B.must
C.may
D.can
2. （2006·广东） ---Must he come to sign this paper himself?
---Yes, he _____.
A.can
B.may
C.must
D.will
备考指津
1. 历年高考中对情态动词must的考查比较全面，三种用法基本都会出现，要结 合典例体会其各种用法，尤其是作“偏偏、偏要”意思时的语境。
谢谢您的观看！
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A. can B. should C. must D. may
能力突破
1.（2013·新课标II）Since nobody gave him any help, he____have done the
research on his own.
A. can
B. must
C. would
D. need
2.（2010·辽宁）Doctors say that exercise is important for health, but it _______
典题：
典题直击：must用法（四）
1.（2012·重庆）---___you interrupt now? Can’t you see I’m on the phone?