人教版八年级英语下册课件Unit5 what were you doing when the yainstorm came单元总结.ppt

1、 单元语法聚焦五单元语法聚焦五 语法点击语法点击 过去进行时过去进行时 过去进行时表示过去某一时间点正在进行的动作或过去某过去进行时表示过去某一时间点正在进行的动作或过去某 一段时间内一直进行的动作一段时间内一直进行的动作。 1 1构成构成 主语主语was/werewas/were_doingdoing_其他其他如：如： I I waswas watchingwatching TVTV atat 9 9 oclockoclock lastlast nightnight. . 昨天晚上九点钟我在看电视昨天晚上九点钟我在看电视。 2 2过去进行时的标志词过去进行时的标志词 过去进行时的标志词有过去

2、进行时的标志词有atat 8 8 oclockoclock lastlast night,night, atat thisthis timetime yesterday,yesterday, atat thatthat timetime等等。 单元语法聚焦五单元语法聚焦五 3 3whenwhen和和whilewhile的区别的区别 ( (1 1) )表示表示 “当当的时候的时候”时时，如果后面连接的动词为延如果后面连接的动词为延 续性动词续性动词，则多用则多用whilewhile，而而whenwhen通常与短暂性动词连用；当后通常与短暂性动词连用；当后 面的句子表示一种状态时面的句子表示一种状

3、态时，两者可以互换两者可以互换。如：如： WhileWhile I I waswas buyingbuying a a newspaper,newspaper, mymy dogdog ranran awayaway. . I I waswas buyingbuying a a newspapernewspaper whenwhen mymy dogdog ranran awayaway. .在在 我买报纸的时候我买报纸的时候，我的狗跑开了我的狗跑开了。 I I waswas veryvery shortshort when/whilewhen/while I I waswas inin pr

4、imaryprimary schoolschool. . 我上小学时我上小学时，个子很矮个子很矮。 单元语法聚焦五单元语法聚焦五 ( (2 2) )如果如果whilewhile前后的句子都是进行时态前后的句子都是进行时态( (包括现在进行时和包括现在进行时和 过去进行时过去进行时),), whilewhile可译为可译为 “与此同时与此同时”。如：如： I I waswas sleepingsleeping whilewhile mymy mothermother waswas cookingcooking breakfastbreakfast. .我妈妈做早餐时我在睡觉我妈妈做早餐时我在睡觉

5、。 ( (3 3) )当当whilewhile前后的句子描述的情况相对或相反时前后的句子描述的情况相对或相反时， whilewhile 可译为可译为 “而而”， whilewhile更强调并列的对比而非转折更强调并列的对比而非转折。如：如： I I likelike ChineseChinese foodfood whilewhile sheshe likeslikes FrenchFrench foodfood. . 我喜欢中餐我喜欢中餐，而她喜欢法式餐而她喜欢法式餐。 单元语法聚焦五单元语法聚焦五 (4)(4)当当whenwhen引导的带有短暂性动词的从句与进行时态的主句引导的带有短暂性动

6、词的从句与进行时态的主句 连用时，连用时，whenwhen有时候可以根据情况译为有时候可以根据情况译为 “突然，就在这时”。“突然，就在这时”。 如：如： I was sleeping when the door opened.I was sleeping when the door opened. 我正在睡觉，突然门开了。我正在睡觉，突然门开了。 单元语法聚焦五单元语法聚焦五 实战演练实战演练 .用所给词的适当形式填空用所给词的适当形式填空 1 1My father_ still_ (sleep) when My father_ still_ (sleep) when I_ (get) up

7、 yesterday morning.I_ (get) up yesterday morning. 2 2My grandma_ (cook) breakfast while My grandma_ (cook) breakfast while I_ (wash) my face this morning.I_ (wash) my face this morning. 3 3My mother_(sweep)the floor My mother_(sweep)the floor when I_ (leave) home.when I_ (leave) home. 4 4The student

8、s_ (have) a biology The students_ (have) a biology class when the visitors_ (come)class when the visitors_ (come) was sleeping got was cooking was washing was sweeping left were having came 单元语法聚焦五单元语法聚焦五 5 5The driver_ (drive) home when The driver_ (drive) home when it_ (rain) last night.it_ (rain)

9、 last night. 6 6Some students from Class Four Some students from Class Four _(play) basketball when I_ (see) _(play) basketball when I_ (see) them in the playground.them in the playground. 7 7Doctor Liu was on duty last night.He Doctor Liu was on duty last night.He _still _(work) in the hospital _st

10、ill _(work) in the hospital at 10 oclock last night.at 10 oclock last night. 8 8The street seller _(sell) The street seller _(sell) clothes when he_ (find) a purse on the clothes when he_ (find) a purse on the ground.ground. was driving rained were playing saw was working was selling found 单元语法聚焦五单元

11、语法聚焦五 9 9Mr. Wang spends a lot of time writing his novel Mr. Wang spends a lot of time writing his novel every day.He _ still _(write) at every day.He _ still _(write) at midnight last night.midnight last night. 1010I_ (read) a history book when I_ (read) a history book when someone_ (knock) at the

12、door.someone_ (knock) at the door. was writing was reading knocked 单元语法聚焦五单元语法聚焦五 .用用whenwhen或或whilewhile填空填空 1 1_Tom was eating supper, it began to _Tom was eating supper, it began to rain outside.rain outside. 2 2Dont use your cell phone _ you are Dont use your cell phone _ you are driving a car.d

13、riving a car. 3 3What were you doing _Mr. Zhou came in?What were you doing _Mr. Zhou came in? 4 4Jim is good at math _Mary is good at Jim is good at math _Mary is good at English.English. 5 5We were watching TV _ the electricity was We were watching TV _ the electricity was off.off. While While when

14、 While when 单元语法聚焦五单元语法聚焦五 6 6_Peter was sleeping, a thief broke into _Peter was sleeping, a thief broke into his house.his house. 7 7It was snowing _ we arrived in Tokyo.It was snowing _ we arrived in Tokyo. 8 8She left her hometown _ she was five.She left her hometown _ she was five. 9 9I was studying in the library _ the UFO I was studying in the library _ the UFO landed.landed. 1010What were you doing _the earthquake What were you doing _the earthquake happenedhappened？ While when when when when