牛津譯林版高中英語選修七unit3theworldonlinegrammarandusage教學(xué)設(shè)計(jì)-wenkub
2022-11-30 17:15:29 本頁面
【正文】 gether. I tried to call Mike and tell him about the delay, but (3) wasn’t able to reach him since his mobile phone was power off. When I got to the library, he was nowhere to be seen. I guess he must be very upset. I know I (4) was supposed to be with him in the library, but as it was, I (5) could not help but change my plan. I think I’d better apologize to him tomorrow for not keeping the appointment. I (6) would rather tell him the truth than make an excuse. [Explanation] 語篇中運(yùn)用助動(dòng)詞的練習(xí)， 幫助學(xué)生形成有效的語法學(xué)習(xí)策略。 could not (help) but 只能做某事。t+have+過去分詞表示過去不必做卻已經(jīng)做了的事。 must的否定式表示不準(zhǔn) ,禁止等意思。 can,could用于慣用語。 would +原形動(dòng)詞表示過去一段時(shí)間的習(xí)慣。 shall用于詢問對(duì)方的意向。t help thinking of it. Must I go with you? No, you needn39。 6) Never (Only) 等 +do+主詞 +原形動(dòng)詞用于倒裝句 3. have（ has/had） I have never seen such a strange man. Can I have my hair cut now? I often have my assistant help me do it. Tip: 1) 助動(dòng)詞 have+過去分詞構(gòu)成完成時(shí)態(tài)。 2) do+主詞 +原形動(dòng)詞構(gòu)成疑問句。 3） be +現(xiàn)在分詞構(gòu)成各種進(jìn)行時(shí)態(tài)。 Step 2 Introduction (PPT 5) Point out the auxiliary verbs. 1. He doesn39。 function of auxiliary verbs)。 2）助動(dòng)詞的功能（ a. 表示時(shí)態(tài)； b. 表示 語態(tài)； c. 構(gòu)成疑問句； d. 與否定副詞not合用，構(gòu)成否定句； e. 加強(qiáng)語氣）。 3）最常用的助動(dòng)詞 （ be, do, have and modals（ shall/should/will/would/can/ could/may/might/must/need/dare ） 4） 半助動(dòng)詞 （ have (got) to, had better/would sooner/rather (? than)/cannot (help) but/be (not) to/be supposed to/ought to/used to/be about to/be able to）。 2. After learning auxiliary verbs, the students will be able to summarize usages of mon and important auxil
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