提问者：尚昆仑

正文

独立结构 专题一 独立结构的转换 1） 改成状语从句，如 The river having risen in the night ,the crossing was impossible =As the river had risen in the night, the crossing was impossible. 2)改成等立分句。如 here are the first three volumes, the fourth one to come out next month. Here are the first three volumes, and the fourth one will come out next moth.

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