4.用于各种从句

现在进行时可用于状语从句、定语从句和名词性从句中。

(1)用于状语从句。

Sometimes when I am listening to music and to the song words，I feel that it was written for me．(人教大纲版高二上第31页)

有时候听音乐、听歌词，我觉得那正是为我写的。(人教大纲版高二上第63页)

If a person is bleeding badly，you must try to stop the bleeding．(人教大纲版高二上第63页)

如果一个人流血较多，就必须止血。

If you are feeling down，or if you are having a problem，fair-weather friends don't want to spend time or talk with you．(人教大纲版高一上第89页)

如果你情绪很低落，或者遇到了麻烦，酒肉朋友们是不愿意花时间和你谈心的。

He is going to the dentist tomorrow because he is having a toothache．

他明天要去看牙医，因为他牙痛。

(2)用于定语从句。

There are also differences as to how of ten we touch each other，how close we stand to someone we are talking to，and how we act when we meet or part．(人教大纲版高一下第59页)

身体接触的频率、谈话双方站立的距离、见面告别的动作也有差别。

I hope you can use it for the history book that you are writing．(人教大纲版高二上第76页)

希望你能把它用于你正在写的历史书中去。

(3)用于名词性从句。

Recent studies show that an increasing number of us are leading an unhealthy life．(人教大纲版高一下第74页)

最新研究表明，我们中有越来越多的人生活方式不健康。

We can learn a lot about what a person is thinking by watching his or her body language．(人教大纲版高一下第59页)

通过观察一个人的身势语，我们可以了解他或她的许多想法。

There are signs that a new，different South is coming out of its dark past．(人教大纲版高二下第43页)

种种迹象表明，一个崭新的、截然不同的南部已经从过去的黑暗中走出来了。