Question

非谓语动词的基本形式和在句中成分!

Answer 1

(1)

to do to be done

to be doing

to have done to have been done

to have been doing

(2)

doing being done

having done having been done

(3)

现在分词其实就是动名词 所以

doing being done

having done having been done

been done

否定形式not to do not doing

3.都可以