1) a) What documents does the secretary usually type?
b) What letter is the secretary typing now?
c) What paper did the secretary type two days ago?
2) a) Do you make a cake every weekend?
b) Are you making soup now?
c) Did you make dinner last Monday?
3) a) Why doesn`t Willy dance at the party?
b) Why isn`t Willly dancing now?
c) Why didn`t Willly dance at the party the day before yesterday?