Having been shown the labs,we were taken to see the library.
3.现在分词的否定结构是在分词前加not,注意不要受谓语动词否定形式的影响。用分词完成式时,通常不把not置于having和过去分词之间。例如:
Not having received a reply,he decided to write again.
4.分词作状语时,其逻辑主语是句子的主语,当分词的主语不是句子的主语时,分词需要带自己的主语(用名词或代词主格),从而构成独立主格结构,相当于状语从句。例如:
The meeting being over(=When the meeting was over),we all left the room and drove home.
Weather permitting,we shall go out for a picnic next Sunday.
5.分词作状语时,可表示时间、条件和原因等,这时可将其变为状语从句。例如:
He broke his glasses when climbing(when he was climbing)Mount Tai.
Not knowing(As she didn't know)his telephone number,she had some difficulty in getting in touch with Bill.
Time permitting(If time permits),we will finish all the work this afternoon.
6.分词作伴随状语时,若表示“正在被的概念时,一般不用现在分词的被动式,而用过去分词。例如:
译:拿破仑带着一些军官在视察军队。
【初中语法必备:现在分词的用法】相关文章:
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