am 的主语是我（I） I am a student.is 的主语是he, she ,it 以及第三人称单数形式。 she is a teacher. It's a pen .are 的主语是你（you ）以及复数形式。 you are beautiful. they are palying football.
用am is are造句
I am a student
this is your pen
there are some apples on the table2011-08-28
am 的主语是我（I） I am a student.
is 的主语是he, she ,it 以及第三人称单数形式。 she is a teacher. It's a pen .
are 的主语是你（you ）以及复数形式。 you are beautiful. they are palying football.2011-08-28
I am a beautiful girl!
you are so gorgeous!
It is he,who wants to make you happy!2011-08-28
I am a boy,you are my girlfriend,so the feeling between us is love.Right?2011-08-28
I am a girl.
It is a dog.
They are my friends.2011-08-28
I am a student
He is a student
we are students2011-08-28
