Viết lại câu: we should solve this problem

1,we should solve this problem
=> it's.........
2, they talk like kings
=> they....
3, he drives too fast
=> i'd....
4, the last time i played game was in 1990
=> i haven't...
5, they bought this house ten years ago
=> they have....
6, he is the most honest person i've ever known
=> i've......