Pr.S. She wants to by a new book
P.S. They stole my dad's car
F.S. He will think about her offer
Pr.C. I am writing a sentece now
P.C. We were reading a newspaper at 7 o'clock yesterday
F.C. She will be learning chemistry tomorrow, while we will be playing football
Pr.P. They have called us 4 times
P.P. He had spent money before we caught him
F.P. I will have built a castle by 13 o'clock
Pr.P.C. She has been waiting for his call for a whole day
P.P.C. We had been cooking dinner for 3 hour before our guests came
F.P.C. You will have been seeking me for an hour by the time I come home