He .....writing on the board.
is
The kids ..... having lunch.
are
The teacher ..... marking.
is
She ..... taking the register.
is
He .....taking an exam.
isn't
The children ..... studying.
are
The teacher ..... writing on the board.
isn't
Kim ....putting shoes in a locker.
isn't
The children ..... playing basketball.
aren't
You ..... tying your shoelaces.
are
Paul ... swimming.
isn't
I .... having a geography lesson.
am not
Kim ....putting books in a locker.
is
Paul ....going to school.
is
The kids ..... taking an exam.
aren't
You ..... putting on a hat.
aren't
The girls ..... changing.
are
She ..... taking notes.
isn't
I .... having an English lesson.
am
The girls ..... sharpening their pencils.
aren't