非谓语动词怎么区别?

问题描述:

非谓语动词怎么区别?
No matter how frequently ____,the works of Beethoven still attract people all over the world.A.performed B.performing C.to be performed D.being performed

动词不定式,动词ing,情态动词,都是非谓语动词你在文中找这些词就可以了,很高兴为你解答,祝你学习愉快,