1.现在分词在句中可构成各种进行时态：
It's raining hard.
雨下得很大。
What have you been doing all these years?
这些年来你在干什么?
2.除了构成谓语外，现在分词在句中还可：
1)用作表语：
The situation is encouraging.
形势令人鼓舞。
The food looked inviting.
菜看起来很诱人。
2)用作定语：
China is a developing country.
中国是发展中国家。
It was a pressing meeting and all members had to attend.
那是一次紧急会议，所有成员都得参加。
3)用作状语：
He was busy answering letters.
他在忙着回信。
They walked down the street.looking for their little sister.
他们沿着那条街走，找寻他们的小妹妹。
4)用来构成复合宾语(也就是作宾语的补语)：
We saw a boy running towards us.
我们看见一个男孩向我们跑来。
We found him waiting to receive us.
我们看到他在等着接待我们。
3.现在分词作表语：
有不少现在分词可用作表语，表示主语的特征：
The water is quite refreshing.
这水使人清新。
One of the girls is missing.
有一个女孩不见了。
The day was so charming.
天气十分怡人。
What he said sounded quite convincing.
他的话听起来很有说服力。
It feels quite refreshing to take a bath after work.
干完活洗个澡很解乏。
能这样用的分词很多，如：amusing, charming, encouraging, confusing, disappointing, discouraging, exciting, interesting, inviting, missing, misleading, obliging, pressing, promising, puzzling, astonishing, amazing, shocking, refreshing, surprising等，其中有些已成为形容词。
