there is or there are

There is a group of pigs . or There are a group of pigs. here a group is subject or pigs is subject .

热心网友

应该是there is，主语应该是pigs, 但 there is 并不是用来表述pigs的，而是用来表述 a group，意思是有一群猪，如果是有好几群猪，就可以说：There are groups of pgis.

热心网友

There is, subject is a group. If we change " a group" to " one group", will you select " there are " ?I will still use" there is ".

热心网友

are

热心网友

are