1 We weren't happy with the hotel. Our room was very small and it wasn't very clean.
2 George wasn't at work last week because he was ill. He's better now.
3 Yesterday was a public holiday so the shops were closed. They're open today.
4 ‘Were Sue and Bill at the party?' 'Sue was there but Bill wasn't’.
5 'Where are my keys?' 'I don't know. They were on the table but they're not there now.'
6 You weren't at home last night. Where were you?