1、,It was snowy. The road was icy.,A car was hitting a tree. The car was in bad shape.,Look at the picture: What was the weather like? What happened? 想一想:當(dāng)我們在描述一個過去的事件時,會運(yùn)用哪些時態(tài) 呢?,探究一,1. 看4a中的表格,判斷John與Mary的動作是延續(xù)性的還是非延續(xù)性的。 2. 小組討論并歸納:和都表示“當(dāng)時”;用于過去進(jìn)行時,只與延續(xù)性動作連用; 用于一般過去時,與非延續(xù)性動作連用。,while,when,while,when

2、,探究二 1. 完成4b,用was, were, when或while填空。 提示:was用于單數(shù),were用于復(fù)數(shù),when后接一般過去時,while后接過去進(jìn)行時。 2. 根據(jù)文章事件發(fā)生的先后順序,將序號填在流程圖中。,made breakfastatewent out listened to the radiogot to the place talked about a car accident saw car in bad shape,探究三 1. 想一想上周日自己做了什么,完成課文4c中的表格中第一欄的信息。(注意用過去進(jìn)行時) 2. 問你的搭檔做了什么,記錄下來,完成表格第二欄

3、的信息。 I: What were you doing at 9:00 a.m.? Partner: I was doing homework. How about you? I: I was sleeping. 注意:畫線部分可以被替換。 3. 根據(jù)表格填空的信息,寫一個報告。你可以這樣開始: Last Sunday, while I was sleeping, my partner. was doing homework. While I was.,過去進(jìn)行時的含義與用法小結(jié) 1. 含義:表示在過去某一時刻或某一段時間內(nèi)進(jìn)行或發(fā)生的動作。 (1) 肯定句:主語+was/were+doing

4、+其他 如:I was watching TV. 我在看電視。 (2) 否定句:主語+was/were+not+doing+其他 如:I was not watching TV. 我不在看電視。 (3) 一般疑問句結(jié)構(gòu)及其答語:Was/Were+主語+doing+其他?答語:Yes, 主語+were/ was./No, 主語+werent wasnt. 如:Were you watching TV? Yes, I was. / No, I wasnt. (4) 特殊疑問句結(jié)構(gòu):特殊疑問詞+was/were+主語+doing+其他? 如:What were you doing? 你在做什么?,2. 用法:常與表示過去的時間狀語連用,如:last night, last Saturday等;或者與when, while等引導(dǎo)的過去時間狀語連用。如: (1) We were watching TV at seven last night. 昨天晚上七點(diǎn)的時候我們在看電視。 (2)