A)
2. have written
3. have you seen
4. haven't been learning
5. has been snowing
6. haven't been renting
b)
2. will call; get
3. don't come; will miss
4. won't let; don't be
c)
2. I might stay in tonight
3. I think I probably won't finish this today
4. He is likely to be hungry when he gets home