将下列句子变成相应的复数形式 l am a student.you are a teachet.he is twelve

I am a student.— We are students.
you are a teacher.— you are teachers.
he is twelve.— they are twelve.
this is a bus.— these are buses.
that is a box.— those are boxes
she is a good girl.— they are good girls
they're women teachers.已经是复数 单数 she is a woman teacher.
they are their skirts.已经是复数 单数 it's her skirt.
those are apple trees.已经是复数 单数 that is an apple tree.
谢谢您的支持!

we are students. you are teacheres. they are twelve. those are buses.
those are boxes
they are good girls.
照此类推即可

We are students. They are teachers. They are twelve. These are boxes. Those are boxes. They are good girls.