Động từ tobe

Front

I....... ten years old.

Back

am

Front

..........they friends?

Back

are

Front

He ....... a footballer.

Back

is

Front

She ... a doctor.

Back

isn't

Front

We .... at the zoo.

Back

aren't

Front

Sophia ..... my friend.

Back

is

Front

This is Peter. He..... my cousin.

Back

is

Front

She.... a teacher.

Back

isn't

Front

I ......sad.

Back

am not

Front

I and Mary....... friends.

Back

are