首先feiend 这个词是不存在的。{可能你手误打错了~}
应该是friend
这里改复数形式,先要将this is 改为 these are
my 是主语没变化
friend变复数加s 为friends
然后整句可变复数形式为These are my friends.
首先,我想你的原句应该是This is my friend.
其次,复数是They are my friends.
我英语过四级了,相信我没错的!
these are my friends
是:This is my griend 吧?
These are my friends