人教版高中英语选修七unit3undertheseaperiod3内容摘要:

(3)作表语。 如: What worried the child most was his not_being_allowed_to visit his mother in the hospital. (4)作定语。 如: The problem being_discussed is of great importance. (5)作状语。 如: Having_been_shown_around the library, we were taken to see the lab. (6)作补足语。 如: As we drew closer, I could see a whale being_attacked by a pack of about six other killers. When we approached him, I saw James being_held_up in the water by Old Tom. [注意 ] (1)v.- ing 形式的被动式主要在句子中作状语、宾语补足语和定语。 但 v.- ing 形式的被动式的完成式,一般在句中作状语 (偶尔作非限定定语 ),不作其他成分。 They don39。 t like the_design_of_the_new_bridge_being_built.(正在建造的桥的设计 ) Not_having_been_pleted, the museum can39。 t be visited yet.(由于没有完工 „„) (2)v.- ing 形式的被动式逻辑主语 (即动作的承受者 )如果也是主句的主语,就不需要表示出来,但是如果逻辑主语不是主句的主语,就得把 v.- ing 形式自己的主语表示出来。 如: The whole classroom having_been_cleaned, the students went home happily.。
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