Английский язык сборник в фокусе 2 класс на стр 19 упр 8 заменить полные формы на краткие?

У меня нет книги но формы напишу

Present Simple (to be)

I am - I'm - I'm not

She is - she's. she's not. she isn't

he is he's he's not he isn't

we are we're we're not we aren't

you are you're you're not you aren't

they are they're they're not they aren't

Present Simple (do, does)

I you we they do not don't

she he it does not doesn't

Past Present. (did используем только в вопросительных и отрицательных предложениях.)

I she he it they you we did did not didn't

Present Perfect

что то меня занесло ... во 2 классе Перфект не проходят ...