Fishermen always remove the fish from the cormorants' mouths变成被动语态谓语动词用单数还是用复数Fishermen always remove the fish from the cormorants' mouths变成被动语态,系动词用单数还是用复数
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Fishermen always remove the fish from the cormorants' mouths变成被动语态谓语动词用单数还是用复数Fishermen always remove the fish from the cormorants' mouths变成被动语态,系动词用单数还是用复数
Fishermen always remove the fish from the cormorants' mouths变成被动语态谓语动词用单数还是用复数
Fishermen always remove the fish from the cormorants' mouths变成被动语态,系动词用单数还是用复数
Fishermen always remove the fish from the cormorants' mouths变成被动语态谓语动词用单数还是用复数Fishermen always remove the fish from the cormorants' mouths变成被动语态,系动词用单数还是用复数
The fish is always removed from the cormorants's mouths by fishermen.
首先,被动语态中的be 不是系动词,而是助动词.
其次,这个be 用什么形式还看主语.上句中the fish作为不可数名词,当成第三人称单数用,所以be 动词 用is.
The fish was always removed from the cormorants' mouths by fishermen.
The fish is always removed from the cormorants' mouths by fishermen.
这里的fish是不可数名词,所以be动词用is
fish也可作可数名词
fish作可数名词时,强调鱼的种类有很多。
但只是指鱼很多的话,fish不可数。
同样的还有food等