外研版 (2019)必修 第二册Unit 2 Let's celebrate!优秀ppt课件

这是一份外研版 (2019)必修 第二册Unit 2 Let's celebrate!优秀ppt课件，共15页。PPT课件主要包含了yes，数的变化等内容，欢迎下载使用。

Grammar Mdals (2)
Lk at the sentences frm the reading passage and answer the questins.
Activity 1
What d the wrds in blue indicate: an rder, request, ability r pssibility?
a That is why Letter frm Father Christmas culd be the perfect bk…b The children must have been very excited as they pened it.c … they might nt receive their presents if they were nt gd.
That is why Letter frm Father Christmas culd be the perfect bk…That is why Letter frm Father Christmas must be the perfect bk…That is why Letter frm Father Christmas might be the perfect bk…
Pssibility: must > culd > might
2 Will the meaning f sentence (a) change if we replace "culd" with "must" r "might"?
The children must have been very excited as they pened it.The children culd have been very excited as they pened it.… they might nt receive their presents if they were nt gd.… they culd nt receive their presents if they were nt gd.
Pssible t receive their presents
Impssible t receive their presents
3. What happens if we change "must" and "might" in sentences (b )and (c) int"culd"?Nw lk fr mre sentences with mdals in the reading passage.
Grammar: Mdals (2)
情态动词(mdals)
必须和其他动词一起构成谓语
用来表示态度、愿望、推测
Translate int Chinese
That is why Letters frm Father Christmas culd be the perfect children must have been very excited as they pened it.
这就是为什么《圣诞老人的来信》可能是一本完美的书。
孩子们打开它的时候一定很兴奋。
情态动词 + 动词原形，表示对现在的推测
情态动词 + 完成式，表示对已发生情况的推测
肯定推测：He must be a dctr,fr he saved that persn in such a prfessinal way.The headteachers must be having a meeting at this mment,as it’s a runtine fr them every week.Yu must have tld him the truth ahead f time,because he knws everything in detail.
否定推测：He can’t be a persn like that.
Activity 2 Rewrite the underlined sentences in the cnversatin using can/culd, may/might and must.
(At a fancy dress party.)Chris: I spent ages putting up all the ballns and flwers last night.Jean: I expect yu are feeling tired nw!Chris: Yes, I am. Lk, that guy is dressed as Batman. Is that Mike?Jean: It’s pssibly him. Check ut that girl ver there. I’m sure that’s Lucy.Chris: N, I dn’t think that’s Lucy. Lucy isn’t that tall.Jean: Lk at thse tw guys dressed as chickens! Oh, they’rewaving at us! Maybe they’re frm ur schl.Chris: Let’s g and find ut.
Yu must be tired nw!
It may/might/culd be him.
That must be Lucy.
that can’t be Lucy.
They may / might / culd be frm ur schl.
Lk at the picture and make as many sentences as pssible using can / culd, may / might and must.
The man with a wallet in his hand might be a bit unwilling t pay.
The wman in red must be very excited t buy s many things.
The wman with glasses may be very tired t get up s early and carry s many bags.
The cashier might be feeling uncmfrtable as he is sweating a lt.