Unit 10 Section 4 Grammar-过去时中的被动语态-【赢在微点】轻松课堂2023-2024学年新教材高中英语选择性必修第四册（北师大版）

Section 4　Grammar—过去时中的被动语态 语法图解 观察句子 ①During the period of recent terrorist activities, people were always being warned not to touch any unattended bag. ②This time yesterday Jack􀆳s bike was being repaired. ③The trousers were not being mended by my mother. ④Where to have the meeting was being discussed this time yesterday. ⑤Experiments of this kind had been conducted in both the U.S. and Europe well before the Second World War. ⑥Had the AI robots been invented earlier, the production efficiency would have been improved. ⑦It rained at last the day before yesterday after all my vegetables had been pulled out by me. ⑧She was surprised to find the fridge empty; all the food had been eaten by her children. ⑨The homework was finished by me yesterday evening. 我的领悟 1.过去完成时的被动语态表示动作在过去某一时间或者某一动作之前已经发生或者完成, 且主语和谓语之间存在被动关系,构成形式是“had+been+v.⁃ed”。如句⑤⑥⑦⑧。 2.一般过去时的被动语态表示动作在过去的某一时间发生,如句⑨。 3.“was/were+being+done”构成的是过去进行时的被动语态,主语是动作的承受者,表示在过去的某个时间点或者某个时间段正在进行的被动的动作。如句①②③④。 一、一般过去时的被动语态的用法 1.一般过去时常常表示过去某一时间发生的动作或存在的状态。 构成形式:was/were+过去分词。 ①In that area alone, at least 1,870 people were killed. 仅在该地区就有至少1 870人丧生。 ②Researchers were brought in from all over China to develop the new system. 全国各地的研究人员被召集到一起来开发新的体系。 2.现代英语的口语和非正式文体中,常用“got+过去分词”表示被动语态。 I got caught in the heavy rain on my way home. 我在回家的路上遇上了大雨。 【微练1】　完成句子 ①The teacher was pleased by her answer.  她的回答令老师满意。 ②The photo was damaged by the old man.  这张照片被这个老人损坏了。 二、过去进行时的被动语态的用法 1.过去进行时的被动语态表示过去某一时间正在进行的被动的动作,常和表过去的时间状语连用。 My homework was being done at this time yesterday. 昨天的这个时间我正在做作业。 2.过去进行时的被动语态可与soon, the next moment, in minutes, minutes later等时间状语连用,表示一个新的动作刚刚开始。 Soon the whole town was being covered with snow. 很快大雪覆盖了全城。 3.过去进行时的被动语态可用来陈述原因或用作借口,这种用法常用在口语中。 —Why did you walk to school instead of bicycling yesterday, Mary? 玛丽,昨天你为什么步行去上学,而没骑自行车? —Oh, my bike was broken and was being repaired then. 噢,那时我的自行车坏了,正在修。 4.过去进行时的被动语态可用来为之后一系列动作的发生提供背景。 A tyre burst out when the truck was being loaded. 装车的时候轮胎爆了。 5.过去进