Завтра мы поедем в парк + - ? через неделю мы будем в москве + - ? три года назад он учился в университете + - ? они только что приехали + - ? завтра весь вечер мы будем играть + - ?

We'll go to the park tomorrow.
we won't go to the park tomorrow.
will we go to the park tomorrow?

we will be in the Moskow in week.
we won't be in the Moskow in week.
will we be in the Moskow in week?

he was study in the university three years ago.
he wasn't study in the university three years ago.
Was he study in the university three years ago?

they just arrived.
they haven't arrived yet.
have they arrived now?

we'll play all evening tomorrow.
we won't play all evening tomorrow.
will we play all evening tomorrow?