1. Has been snowing
2. Have never travelled
3. Have yoi ever seen
4. Have been touring
5. Have had
6. Has been working
1. Have you been waiting
2. Is driving
3. Is sleeping
4. Are coming ... are attending
5. Studying
6. Have you seen
7. Is the doctor prescribing just these antibiotics
8. Isn’t understanding
9. Is talking
10. Is winning
