【文章內(nèi)容簡介】 . 語法精講 when 和 while 的用法 when 引導(dǎo)的從句中的動作，可以和主句動作先后發(fā)生 When I got into the room , I saw Jane crying.(1) 當 when 引導(dǎo)的句子是一般現(xiàn)在時的時候，主句通常是一般將來時，或者主句含情態(tài)動詞，或者主句是祈使句 When the manager es here for a visit next week，I`ll talk with him about this. practice 當我給他打電話時 他正在睡覺 When I called him up, he was sleeping. 當我在睡覺時 他在吃東西 While I was sleeping, he was eating. 1. What ______ (be) you ______ (do) when he arrived? 2. Jim _____________ (sleep) when I came in. _____________ (watch) TV at 8:00 yesterday evening. 4. Now he __________ (read) and _________(write). were doing was sleeping were watching is reading writing Ⅰ . 用所給詞的正確形式填空 5. Mother _____________ (wash) clothes when I ________ (get) home from school yesterday afternoon. 6. Look, my sister _______ (be) there in the barber shop. The barber _____________ (cut) her hair. 7. When _______ you ________ (see) the accident? I ______ (see) it fifteen minutes ago. was washing got is is cutting did see saw Ⅱ . Translate these sentences. 1. 上課鈴響時 , 你在干什么 ? What _____ you ______ when the class bell rang? 2. 當我媽媽進來時我正在看書 . I _____ ________ when my mother came in. 3. 昨天晚上十點鐘她正在做飯 . She ____ ________ at ten o?clock ______ _______. were doing was reading was cooking last night , 天正下著大雪。 It _______________heavily when the plane ____________. 5. 瞧 , 孩子們正在追逐一只小貓。 Look! The children ___________________ a small cat. , 其他的孩子都在外面玩耍。 My daughter was writing a letter _________ the other children _______________ outside. took off were playing was snowing are chasing after while 1. 昨天早上 9點鐘你在干什么 ? 2. 不明飛行物起飛時，小明正在騎自行車。 3. 那時，他們正在做家庭作業(yè)。 What were you doing at 9 o?clock yesterday morning? Xiao Ming was riding his bike when the UFO took off. They were doing their homework at that time. Ⅲ . 翻譯 , 你正在干什么？ UFO. 6. 當李雷在吃早飯時 ,吉姆進來了 . What were you doing when I called you up this morning? While he was sleeping, she dreamed about UFO. While Li Lei was having breakfast, Jim came in. Revision: when vs. while 這兩個詞都有“當 …… 的時候”的意思。 when 既可指某一點時間 , 也可以指一段時間 。 while 強調(diào)一段時間 , 所以從句的謂語動詞常是延續(xù)性的。 當 when表示“在某一段時間里” 的意思時 , 它可以代替 while, 但 while不能代替 when. . When I came home, she was cooking dinner. 當我到家時 , 她正在做飯。 When you hang wet clothes near a fire, you will see steam rising from them. 當你把濕衣服掛在火邊時 , 你會看到水汽從衣服上升起。 1a Think of a time when you were late for or couldn39。t go to an event. What was the event? What was the reason why you were late or couldn39。t go? Tell your partner the story. 1b. Listen and write short answers to the questions. event happened at the school yesterday? _______________________________________ 2. Who missed the event? _______________________________________ 3. Which team won at the event? ______________________________________ There was a basketball petition. Kate missed the event. John?s team won. 1c. Listen again. Number the events [16] in the order they happened. ______Kate saw a dog by the side of the road. ______Kate got to the bus stop. ______Kate called the Animal Helpline. ______Kate left the house. ______Kate waited for someone to walk by. ______Kate realized her bag was still at home. 1 2 3 4 5 6 1d. Talk about why Kate missed the school basketball petition. Student A begins a sentence with while or when. Student B pletes the sentence. A: When the school basketball petition started ... B: When the school basketball petition started, Kate was still making her way to school. A: When the school basketball petition started, what was Kate doing at that time? B: When the school basketball petition started, Kate was still making her way to school. A: While Kate was running back home, what happened? B: While Kate was running back home, Kate saw a dog by the side of the road. 馬丁 .路德 .金（ 1929年 1月 15日 —— 1968年 4月 4日 ),著名的美國 民 權(quán)運動領(lǐng)袖。 1948年大學(xué)畢業(yè)。 1948