1) work, works
2)was sleeping, came
3)will do
4)didn't go, I won't
5) was going, met
6)are skating
7)Have skied, we were skating, we will
8)Skates
9) will do
10)what you were doing, I am washing
11) were doing, I was having
12) having
13) enters, entered
14)will come
15) we were listening
16) entered. was taping