There is a group of sheep at the bottom of the mountain.这是一句正确的句子吗?
问题描述：
There is a group of sheep at the bottom of the mountain.这是一句正确的句子吗?
是用is,还是用are
答
用is,若group是groups(好多群）,才用are,group前有个a,表示单数,只有群,只能用is.