[初中教育]语法专项——被动语态详解 讲与练.pptVIP

一旦所有的事实为人们所发现，理论即可逐步形成。 As soon as all the facts have been found out we can begin to formulate a theory. 错误不应当加以掩饰，而必须加以揭露，才能加以改正。 Mistakes must not be covered up. They must be exposed before you can correct them. 我始终认为，我非常幸运地在一个小城镇长大成人，因为小城镇具有浓厚的友好情谊和自觉自愿的公益精神。 I always believe that I was very lucky to have been brought up in a small town with a great sense of friendliness and voluntary sevice. 其实，大家心中都清楚，即使在最繁荣时期，也总有人挨饿。 As a matter of fact, it has long been known that even during the most prosperous periods there have been people without enough to eat. 为了避免错误，我们需要有最密切的国际合作，联合王国乐意为此承担自己的义务。 If mistakes are to be avoided, there must be the closest international collaboration in which we in the United Kingdom will gladly play our part. 被动语态 英语动词有两种语态，主动语态和被动语态。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者 They will build a new bridge over the river. (主动) A new bridge will be built over the river. (被动) 汉语中常用“被”、“给”、“由”、“受”等词用来表示被动，而英语用：助动词be + 及物动词的过去分词构成。 被动语态的时态、人称和数的变化 主要体现在be的变化上 以give 为例： 一般现在时： 一般过去时： 一般将来时： 现在进行时： 现在完成时： 过去完成时： 过去进行时： 过去将来时： 将来完成时： 过去将来完成时： ［注］被动语态没有将来进行时和过去将来进行时。 am / is / are + given was / were +given shall / will +be+ given am / is / are + being + given have / has + been + given had + been + given was / were + being + given should / would +be+ given shall / will + have been + given should / would + have been + given 被动语态练习 The school doesnt allow us to enter the chemistry lab without a teacher. We are not allowed to enter the chemistry lab without a teacher. They agreed on the building of a new car factory last month. The building of a new car factory was agreed on last month. The students didnt forget his lessons easily. His lessons were not easily forgotten. The manager said they would complete the project by the end of the year. The manager said the project would be completed by the end of the year. The workers told me they would mend the car as soon as possible. The workers told me that the car