摘要： -ing分词的被动式: -ing分词的被动式表示它的逻辑主语是-ing分词动作的承受者.根据-ing分词动作发生的时间.-ing分词的被动式有一般被动式和完成被动式.如: The question being discussed is very important. 正在被讨论的问题很重要. Having been criticized by the teacher, he gave up smoking. 被老师批评以后.他把烟戒了. 注意:在need, want, require, be worth等动词后.作宾语的-ing分词常用主动形式来表示被动含义.如: Your shoes need cleaning. = Your shoes need to be cleaned. 你的鞋需要清洗一下了. This book is well worth reading. 这本书很值得一看.
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用分词的形式改写句子
If we were given more time, we could do it much better．
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书面表达
Century School Edition Teens对几个城市的中学生视力进行了调查,发现中学生近视眼现象严重,就此现象写一篇100左右的英语短文,向该报投稿,说明保护视力的重要性及其主要措施，题目自拟。
注意：句子中要体现过去分词的用法和至少使用一句倒装句。
参考词汇：nearsighted近视的 survey n．调查