请教这句话里哪个是谓语动词~?
Then night fell in the midst of a heavy silence, sometime broken bythe cries of the pelican and other night-birds, and the noise of the waves breaking upon the shore, chafing against the rocks, or the panting of some far-off steamer beating the water of the Gulf with its noisy paddles.
这句话的谓语动词和主语是什么啊~~~求解答