(
课件网) Lesson118 What were you doing What did Tommy swallow Coins. s wall ow swallow 是对着墙大叫了一声，然后咽了咽口水。 to i let toilet 去我那，让我教你扫厕所。 Unit 59 1 2 3 4 5 6 swallow v.吞下 n. 一口 He swallowd some milk. Mike took a swallow of beer and went on talking. lately recently latest 最新的 sooner or later 迟早 later on 后来 n. 环形物； 戒指 ring finger 你吞了它吗？ Did you swallow it 迟早 sooner or later 找出文中较长的句子： When my husband was going into the dining room this morning, he dropped some coins on the floor. While we were having breakfast, our little boy, Tommy, found two small coins on the floor. Late that morning, when I was doing the housework, my husband phoned me from the office. 1.When my husband was going into the dining room this morning, … 2.While we were having breakfast,… 3.when I was doing the housework, … 表示过去某时正在进行的动作 (不强调是否完成） 过去进行时 cook a meal at this time yesterday He was cooking at this time yesterday. ride a horse at nine last Sunday He was riding a horse at nine last Sunday. play football at four o’clock last Friday He was playing football at four o’clock last Friday. 1.意义： 2.构成： 3.标志词： 表示在过去某一时刻或一段时间正在进行的动作。 was/were +doing 否定式： was/were not +doing 疑问式： Was/Were ……doing at this time yesterday at 9:00 last night ……was/were doing when….did….. 肯定式： when / while I was watching TV at 7p.m. yesterday evening. I was watching TV when my mum came home. I was watching TV while my mum was taking a bath. when / while 引导的时间状语从句 当从句中的谓语动词是 持续性的动作时, 用while, when或as 引导。 I was drawing the picture when my friend came. Jone was talking with his classmates when teacher called him. He was on the point of leaving when someone knocked at the door. 当从句中的谓语动词表示瞬间动作时,不可用while。 如果谈论两个长动作,最常用的是while。 While John was sitting biting his nails,I was working out a plan to get us home. 如果表示两个短动作或事件 同时发生,常用as或just as, 也可用when。 Just as he caught the ball, there was a tearing sound 当他抓住球的时候,有一种撕裂的声音。 when, as, while 总结 1、When可指时间点，又可指时间段，从句中可用延续性动词，也可用非延续性动词。 2、While总是指一个时间段，从句中必须用延续性动词。 3、as多用于平行结构。表示两个动作同时发生：一个主语同时进行两个动作：一种状态随另一种状态的变化而变化。 4、表示主句的动作发生在从句的较长动作过程中，when, while, as均可使用。从句中为be动词时，多用when和while。谈论两个同时进行的长动作可用while；谈论两个平行动作或两种状态变化多用as。 The children _____(play) football at four yesterday afternoon. The baby _____ (sleep) when the mother came back. was sleeping were playing 完成下列句子 1）The Barber _____(在给我理发）at this time yesterday. was cutting my hair 2) They _____ (在买纪念品）when the UFO arrived. 3）The boys and girls_____(在唱歌） last night. 4)You _____（在打篮球）yesterday afternoon, weren’t ... ...
