11. the clock is slow. — it isn't slow, it (stop). 12. he (leave) for canada two years ago and i (not see) him since. 13. this is the fifth cup of coffee you (have) today! i4.lt is the most beautiful place i (visit). 16 i (not see) nick lately. anything (happen) to him? ~- yes, he (get) into an accident three weeks ago. since that time he (be) in hospital. 16. why you (switch on) the light? it isn't dark yet.
