公共英語等級考試寫作命題規律（二）
● It引導的形式主語句子與其他句型的轉換
「例句」
5.He spent 4 hours in doing his homework yesterday.
It took him 4 hours his homework yesterday.
6.It seems that they like pop music.
They to like pop music.
「正確答案」5.to do6.seem
「規律分析」這部分要求了解代詞it在句子中的各種用法。it在英語中是個相當活躍的代詞，它可以作形式主語、形式賓語和引導強調句等。
● 一些習慣用法的不同表示法
「例句」
7.They have studied English for 20 years.
They began to study English .
8.He went to the class at 9 o‘clock.
He didn‘t go to the class 9 o’clock.
「正確答案」7.20 years ago8.until
「規律分析」這部分要求掌握英語中一些習慣用法的表達方式。在改寫句子時，要求用不同的句型或不同的詞表達出相同的意思。
● 詞或詞組間的互換
「例句」
9.He spent 20 dollars buying this book.
He20 dollars this book.
10.She does well in English.
She is English.
「正確答案」9.paid……for10.good at
「規律分析」這部分考查同義詞或詞組的替換。有些詞雖然意義相近或相同，但往往在用法和結構搭配上有區別，考生應尤其注意。
本文地址：http://www.autochemexpert.com/writing/englishtest/pets/27003.html
