吻血
幼苗
共回答了15个问题采纳率：86.7% 举报
当动词以动名词形式出现在句首作主语时(这时它的用法同名词的用法),就是动词ing,如：Shopping is the favorite activity of most women.
另外一种情况是用动词的现在分词形式Ving作伴随状语时,如：Knowing her for many years (=After he had known her for many years),he decided to propose to her.这种情况一般能把它还原成从句的形式
1年前
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