you and i (be)的什么形式?还有个 you and peter (be)good friends(是friend 还是friends)

问题描述:

you and i (be)的什么形式?还有个 you and peter (be)good friends(是friend 还是friends)

are
are good friends

you and i ,you and peter 都是后填are
只有not only..but also..句型时才看but also 后的名词填写be动词
比如not only you but also i am your friend
not only you but also he is my friend.