英语必修 第二册Unit 4 Exploring literature公开课教学课件ppt

这是一份英语必修 第二册Unit 4 Exploring literature公开课教学课件ppt，共28页。PPT课件主要包含了Free talk，a d e f， ，could，must，have to，can’t，food，drinks，talking等内容，欢迎下载使用。
Unit 4 Explring literatureGrammar and usageMdal verbs
Have a review f the three qualities f gd literary wrks. Then, think f the fllwing questins:What shall I read?What are yur suggestins?Read the passage n Page 48 and get sme ideas abut the answers t the questin.
Making suggestinsMaking suggestinsExpressing necessity
T start with, ask yur friends, parents and teachers t recmmend what bks yu ught t read.Yu culd als read bk reviews in newspapers, in magazines r nline.Hwever, yu must als decide fr yurself what kind f bks t read.
Explring the rules
1. Read the passage again and find the ther sentences that use mdal verbs, identifying their functins respectively. And then fill in the table n Page 48.
Mdal verbs can express ability r necessity. They can als make suggestins r describe the prbability f an event. The same mdal verb can have different functins. Mdal verbs can be fllwed by __________. * Yu can chse mre than ne answer fr the blank. a. d (the base frm) d. be dne (the passive vice) b. ding (the verb-ing frm) e. be ding (the cntinuus frm) c. did (the past frm) f. have dne (the perfect frm)
2. Try t identify the differences between varius mdal verbs fr the same functin.
Shall I pen the dr? Shall we meet at 6 ’clck? What shall I d fr the meeting?
Yu use shall with “I” and “we” in questins in rder t make ffers r suggestins, r t ask fr advice. “Culd” is nrmally used t give mild advice r t suggest a slutin t sme prblem.
By the time she was eight, she __________ read Greek and Latin.He fell int the river, but he __________ swim t the bank.
Mdal verbs fr ability: can, culd, be able t
was able t
“Culd” can be used as the past tense f “can” t say what smene was able t d r was allwed t d in the past.When talking abut what happened in a particular situatin, we use “was/were able t” r “managed t” instead f “culd”.
Yu  _______________ wear a scarf. It’s very cld utside.Yu __________ bey the rules, therwise I wuld punish yu.It’s five ’clck. I _____________ leave nw.
Mdal verbs fr necessity: shuld, ught t, must, have t
ught t (shuld)
We use “must” when saying that it is very imprtant that smene des smething, because smene in authrity r a rule says this, r because f the situatin.We use “have t” when we need t d smething because it is necessary r imprtant.
—Where’s Rse?—I’m nt sure. She ________________ be at hme. Yu haven’t eaten all day. Yu _________ be hungry.I dn’t believe it. It __________ (nt) be true.
Mdal verbs fr prbability: may, might, culd, must, can, shuld
may/might/culd
We use “ may, might and culd” t say that smething is pssible, but nt certain.We use “must” t shw we are sure smething is true.We use “can’t r cannt” t say that smething is impssible.
My dry cleaning shuld be ready tmrrw.It’s 5 ’clck. They shuld have arrived.We use “shuld” t suggest smething is true and we have reasns fr ur suggestin.
It can be very cld in April in Nanjing.Wild dgs can be dangerus.We use “can” t make general statements abut what is pssible.
Wrk in grups and try t give ne example fr each case.(1) He must be a student, fr he is wearing a schl unifrm.(2) —Can he be reading nw? —Yes, he must be reading nw. The light is still n.(3) I didn’t hear the phne. I must have been asleep.
4. Please g thrugh Grammar ntes n Pages 99–101. Raise yur questins that yu have abut this part.
Applying the rules
1. Turn t Page 49 and finish B1 n this page.2. Check the answers. Tell the reasns fr yur chices.
What did the writer think f reading Dickens’s A Christmas Carl at first? Hw did it turn ut? What can we learn frm the bk, accrding t the authr?
3. In grups, make rules fr yur schl library using mdal verbs.
(1) What is a rule? What mdal verbs can be used t describe rules?(2) Frm what aspects wuld yu like t give rules fr yur schl library?
A rule is a statement explaining what smene can r cannt d in a particular system, game r situatin.Mdal verbs that are used t describe permissin r necessity: must, can, mustn’t, cannt.
Rules fr the schl library
library prperties
brrwing bks
prtecting bks
1. Yu must study quietly in the reading rm. 2. Yu must nt eat r drink in the library. 3. Yu can use the cmputers t find bks in ur library. 4. Yu can brrw tw bks at a time and keep them fr as lng as tw weeks.5. Yu must present yur schl ID when brrwing bks.
6. Yu mustn’t steal r damage library prperties such as bks, peridicals, cmputer prgrams, chairs and tables.7. Mbile phnes must be switched t “silent” mde.8. Yu cannt play cmputer games n the cmputers prvided.9. All bks and peridicals must be returned t the shelves after use.
1. Summarize the different functins f the fllwing mdal verbs: can, must, shuld, may/might and shall.2. Write a paragraph n bks yu wuld like t recmmend with at least five sentences, using prper mdal verbs.