1)I was at the shops last Sunday.
2)Mum and Dad weren`t last night.
3)Larry wasn`t in the park yesturday.
4)Were you at the zoo last summer.
5)Where were you yesturday?
6)Mry wasn`t at school two days ago?
7)Paco and Lulu were at the party last Sunday.
Удачи с ДЗ. =)