it 在英语中可以做形式主语，可以代替那些成分？

it 在英语中可以做形式主语，可以代替那些成分？

it的用法总结：
1. 可以做代词，指代无生命的东西或者不辨性别的人。
如： I bought a book yesterday, and I like it very much.
whose baby is it?
who are knocking at the door? it's me.
2. it做无人称代词，指代时间，距离，天气等。
如：it 's cold today. it's nine o'clock. it's a long way there .
3. it做代词，在句子中做形式主语和形式宾语。
如： it took me 3hours to finish the work.
I don't think it a good idea to stay here just waiting.

第一个问题   可以  如   i  was made  excited.

第二个问题   动词后面的动名词  一般是宾语

  如果做其他成分 应该叫现在分词 

现在分词  作状语    he sat at the desk,studying.

    作表语    the film is exciting.

    作定语   the man standing at the gate is my brother.

    作宾补    i  heard her singing

    作主补    she was heard  singing.

如以上回答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！

点此我要举报以上问答信息