Раскройте скобки, чтобы получить Present Perfect или Past Simple в отрицательной форме. I … (not/ do) this exercise before.
I … (not/ do) this exercise yesterday.
We … (not/ go) to school since the first form. .
We … (not/ go) to school yesterday.
You … ( not/ see) a horse last week.
You … (never/ see) a horse.
He … (not /say) that yet.
He … (say) that a minute ago.
They … (not/ have) breakfast yet.
They … ( not/have) breakfast an hour ago.
Объяснение:
1 am not do
2 don't do
3 aren't go
4 don't go
5 aren't see
6 are never see
7 isn't say
8 doesn't say
9 aren't have
10 don't have