English is spoken by many people.主语English是动词speak的承受者。He opened the door.他开了门。(主动句)The door was opened.门被开了。(被动句)
构成
His bicycle was stolen.The building has been built in 2000.通过上面的例句,可以看出,“被动语态”的构成是:be + 过去分词 ( + by + 动作执行者)
形式
被动语态由助动词be加及物动词的过去分词构成,强调动作是由什么人或什么东西而发出时,常用介词“by +行为发出者”,即be+done+by+行为发出者。
被动语态可用于各种时态,通过助动词be的变化来表示:1、一般现在时的被动语态. am / is / are + 动词的过去分词Our classroom is cleaned every day.This car is made in China.2、一般过去式的被动语态: was / were + 动词的过去分词His desk was cleaned just now.The station was built in 1928.3、现在进行时的被动语态: am / is / are + being + 动词的过去分词A new factory is being built in our city now.Some trees are being cut down in the park.4、过去进行时的被动语态: was / were + being + 动词的过去分词A new factory was being built in our city at that time.Some babies were being looked after by Miss Chen last year.5、一般将来时的被动语态:(A) will / shall + be + 动词的过去分词(B) am / is / are + going to be +动词的过去分词.Some new factories will be built in our city this year.Your watch is going to be mended