Сказать, что это не так. 1. nick and mike' brother must help them. 2. kate and betty's teacher was in london. 3.the girls' doctor came yesterday. 4. nick's mother works in an office. 5. there is a swimming pool in the browns' house.

1. Nick and Mike' brother mustn't help them.
2. Kate and Betty's teacher wasn't in London.
3. The girls' doctor didn't come yesterday.
4. Nick's mother doesn't work in an office.
5. There isn't a swimming pool in the Browns' house.