4. Use the correct form of the verbs in parentheses.
1) That building (to design) by my father 2 years ago. 2) When I (to enter) the room, my sister (to listen) to
the news. 3) After we (to buy) the present, we (to leave) for Mike's place. 4) You (to drive) all day. Let me drive
now. 5) It was dark when we (to stop) by a policeman. 6) It is time to leave. You (not, to pack) your things yet?
7) Ann promised she (to ring) as soon as possible. 8) The teacher told us that the Earth (to go) round the sun.
9) She (to look) at the beast with awe and (not, to be able) to open her mouth. 10) If he (not, to be) as humble
as that, he (to have) more success. 11) What you (to do) when the guests come?