Wybierz poprawną formę czasownika być.

I --- are are not am not is am is not friendly.

You X --- are are not am not is am is not John.

He --- are are not am not is am is not my friend.

Jim X --- are are not am not is am is not sporty.

My pencil case --- are are not am not is am is not 20zł.

My parents X --- are are not am not is am is not helpful.

I X --- are are not am not is am is not nine.

They --- are are not am not is am is not at home.

Elephants --- are are not am not is am is not big.

My glue stick X --- are are not am not is am is not in my schoolbag.