Решение:
- 1. 'a pet shop' (зоомагазин) - единственное число. Было: 'There was a pet shop there'. Стало: 'There wasn't a pet shop there.'
- 2. 'big shops' (большие магазины) - множественное число. Было: 'There were big shops there'. Стало: 'There weren't big shops there.'
- 3. 'two train stations' (две железнодорожные станции) - множественное число. Было: 'There were two train stations there'. Стало: 'There weren't two train stations there.'
- 4. 'a zoo' (зоопарк) - единственное число. Было: 'There was a zoo there'. Стало: 'There wasn't a zoo there.'
- 5. 'big houses' (большие дома) - множественное число. Было: 'There were big houses there'. Стало: 'There weren't big houses there.'
- 6. 'a circus' (цирк) - единственное число. Было: 'There was a circus there'. Стало: 'There wasn't a circus there.'
Ответ: 1. wasn't, 2. weren't, 3. weren't, 4. wasn't, 5. weren't, 6. wasn't