Unit 7 The unknown world Period 5课件 2022-2023学年沪教牛津版英语八年级下册

Period 5 Unit 7 The unknown world Grammar Module 4 Discovery 1 Conversation about things that are not important, often between people who do not know each other well. Free talk T: What do you like, XXX? S1: I like…. T: Why do you like …? S1: Because… 2 Work one by one S1: I like…. S2: Why do you like …? S3: Because… S4: I like… … Adverbial clauses of reason because as since tell us why things happen. 4 Since no one else saw these aliens, I refuse to believe you. as引导的原因状语从句 since引导的原因状语从句 前 后 When we put the adverbial clause of reason at the beginning of the sentence, we often separate it from the main clause with a comma (,). Things to remember Adverbial clauses of reason because as since 表示直接原因，着重点在从句，它所指的原因通常是听话人所不知道的，语气最强。常用来回答why 的提问。 侧重主句，从句表示明显的或已为人所知的理由，常译为“因为；既然”，语气比because 稍弱，可以放在主句后面，但通常放在句首。 引导的原因状语从句语气最弱，它所表示的原因只是对结果的附加说明，可位于句首或句末。常译为“由于；鉴于”。 I left a message as Jim wasn’t here.由于吉姆不在，所以我留了言。 Since the rain has stopped, let’s go for a walk.既然雨停了，咱们去散步吧。 Tina woke up at midnight because she heard a loud noise.蒂娜在半夜醒来，因为她听到了巨响。 The police officer asked Tom some more questions about the aliens. Match the questions with the answers. Then use them to complete the police officer’s notes with as, since or because. b a d c Tina and I hid behind some bushes as we heard some voices speaking a strange language. Because an alien saw us and made a terrible noise, we ran away. Since no one else saw these aliens, our father refused to believe us. 选用because，since或as填空。 1. — Why don’t you come to have dinner now? — ___________ I am busy with my work. 2. ________________ it was raining, he took a bus. 3. __________________ I had a cold yesterday, I was absent from school. As / Since / Because Because Since / As / Because Practice Because of Read the following sentences and find the difference. Tim didn’t go to school yesterday because he was ill. Tim didn’t go to school yesterday because of his illness. We can also use because of to give the reason for somet