1.They already (to leave) when the trouble (to start).
2.What you (not to recognize) him? - He (to change) a lot.
3.Jenny (to have) dinner before mother (to come).
4.It (to be) my first time l (to fly)
5.Martin (to go) to the park before you (to arrive)?
6.When he (to be) a teenager, he (to study) a guitar for two years.
7.He (to tell) me he already (to play) fine.
8.The principal (to be angry) when he (to see) that pupils (not to leave) the classroom yet.
9.When i (to open) the door, i (to see) that he (to look) as if he just (to wake) up.
10.It (to be) his first time he (to jump) with parachute.
11.She (to have) no doubt that i (to make) a great mistake.
12.They (to be) surprised when they (to understand) that he (to give) tham a false name.
