【正文】
課題 Module 4 Great Inventions Unit 3 Language in use 教 學(xué) 目 標(biāo) 德育目標(biāo): To know about some great inventions 知識目標(biāo): To practice the use of passive voice 能力目標(biāo): To plete a task about “ How to improve inventions” 重點(diǎn) 被動語態(tài): 情態(tài)動詞的被動語態(tài): 情態(tài)動詞( not) + be +過去分詞 現(xiàn)在完成時 —— have/ has +been+動詞的過去分詞 難點(diǎn) 情態(tài)動詞的被動語態(tài): 情態(tài)動詞( not) + b e +過去分詞 現(xiàn)在完成時 —— have/ has +been+動詞的過去分詞 m] Revision and application 教法 Formal and interactive practices Part I: Revision Language practice 現(xiàn)在完成時的被動語態(tài): have/has( not) been +過去分詞 [ Paper and printing have been used for ages. The battery hasn’ t been changed for a couple of months. Has it been published yet? 情態(tài)動詞的被動語態(tài): 情態(tài)動詞( not) + be +過去分詞 Information can be kept on CDROMs. Books could only be produced one at a time. Can books be replaced by puters? Conclusion(I) 當(dāng)我們不知道誰是動作的執(zhí)行者,或者沒有必要指出誰是動作的執(zhí)行者時,或者只需強(qiáng)調(diào)動作的承受者時,要用被動語態(tài)。 被動語態(tài):主語是動作的承受者 。 被動語態(tài)的構(gòu)成: be +動詞的過去分詞 一般現(xiàn)在時 —— am/ is / are +動詞的過去分詞 一般過去時 —— was/ were +動詞的過去分詞 情態(tài)動詞 —— . (m