there is the house where my family lives
we have bought a lot of candies for you
correct
they have bought this building since they owned it in 1999
idk
they have gone to the city's park
1. there is the house where my family lives
2 we have bought a lot of candies for you
3 at the time we came there, the pool wasn't operating
4 they owned this building since they have bought it in 1999
5 he won't be taking the course in a month
6 they have gone to the city's park
насчёт 5-го не уверена