人教版英語八下unit5whatwereyoudoingwhensectiona-2課件(已修改)
2024-12-24 16:07 本頁面
【正文】 Unit 5 What were you doing when the rainstorm came? What were you doing when the rainstorm came? I was taking a shower. I was sleeping. I was cooking. I was cutting hair. I was reading. I was in the bathroom. Where were you when the rainstorm came? I was in the bedroom. I was in the kitchen. I was in the barber’s chair. I was in the livingroom. What were you doing at eight last night? I was taking a shower. What was she doing at the time of the rainstorm? She was doing her homework. Grammar Focus What was he doing when the rainstorm came? He was reading in the library when the rainstorm came. What was Ben doing when it began to rain heavily? When it began to rain, Ben was helping his mom make dinner. What was Jenny doing while Linda was sleeping? While Linda was sleeping, Jenny was helping Mary with her homework. 1. 以 when和 while引導的時間狀語從句 1) 延續(xù)性動詞和非延續(xù)性動詞 延續(xù)性動詞 指動作可以延續(xù)一段時間 , 而不是 瞬間結束。 如 : work、 study、 drink、 eat等。 非延續(xù)性動詞 指動作極為短暫，瞬間結束。 如 : start、 begin、 hit、 jump、 knock等。 2) 在本單元中 , 出現了以 when和 while引導的 時間狀語從句。 when表示“當 ?? 的時候”。從句中既可用延續(xù)性 動詞 , 又可用非延續(xù)性動詞 , 這些動詞既可以 表示動作 , 又可表示狀態(tài)。 從句中的動作既可 和主句的動作同時發(fā)生 , 又可在主句的動作之前 或之后發(fā)生。 如： Mary was having dinner when I saw her . The boy was still sleeping when his mother got home yesterday morning . while表示“在 ?? 的時候”、“在 ?? 期間”。 它強調主句的動作與從句的動作同時發(fā)生或 主句的動作發(fā)生在從句的動作過程中。 While 從句中必須是表示動作或狀態(tài)的延續(xù)性動詞。 如： The weather was fine while we were in Beijing . She called while I was out. 如果主句的動作在從句的動作過程中發(fā)生， 從句常用進行時。 如 : While we were swimming someone stole our clothes . Don’t talk so loud while others are working. 總結 1) when可指時間點 , 又可指時間段
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