1.  (said)  (had been reading)

2, was combining

3. (were studying) (entered)

4,  (has been raging)  (have been trying)

5.  (had changed)

6, (entered)  (were listening)  

7,  ( going) (laking) .

8,  (have done)  (are)  ( know)  ( hope) they (will make)  

9.  (has covered)  (are)

10, Are you (going)