I was waiting for the sound of the other boot

问题描述:

I was waiting for the sound of the other boot
请问:主语——I
谓语——was+waiting
请问:该句中的“宾语”是什么呀?是“the sound”还是“the othe
r boot”
那么“for”在句中做什么成分呀?

was是系动词
was waiting for是谓语
宾语是the sound
至于of the other boot 当然是宾语的修饰语