+The composition is too difficult to do in five minutes,you have to take your time.
+You must bring it to me on time because you'll fail.
+I broke my leg and I can't go to work so now I have time on my hands.
+I brought the composition to my teacher in time before it was late.
+When I'm boring I kill time playing in computer games.
+... but now I have a girlfriend and I have to make time to be with her.