Ответ:
1)We are not ready yet
2)He is not married yet
3)They are still in a lecture
4)They are still busy
5)Your son is still sick?
6)It’s still cold
7)He is not a student yet
8)It's still raining though the sun is shining bright
9)He is still giving a talk
10)He still works, although he is over 60 years old