Complete the gaps with the correct forms of the verbs in brackets using the first conditional. Use commas to separate your answers. Make use of a more polite tone of voice as shown in the example. Example: If you happen to find my glasses, perhaps you could tell me where they are.
If your nephew ...... (happen / come) to Vienna, we will ...... (meet) him, of course.
If the police officer ...... (happen / ask) us for an ID, we will ...... (show) it to him at once.
If somebody ...... (happen / ask) for the time in the street, David will ...... (tell) them the clock time for sure.
If the dustmen ...... (happen / arrive) late this afternoon, they will ...... (find) the street filled with cars.
If the baby ...... (happen / sleep) late tonight, the mother will ...... (be) happy.
If those lazy staff ...... (happen / turn) up late for work again, Mr Marley will ...... (shout) at them again.
If the teacher ...... (happen / give) us a surprise test today, I will ...... (fail) it for sure.
If Lucy's parents ...... (happen / drop) in on us tomorrow, they will ...... (find) the flat in a state of total chaos.
If the brothers ...... (happen / have) yet another argument over the girl, they will ...... (get) serious no doubt.
If the operator ...... (happen / be) sick this week, we will ...... (have) a few problems.
If the prisoner of war ...... (happen / escape) from the prison, the government will ...... (start) looking for him immediately.
If the computer ...... (happen / break) down just now, we will ...... (call) the IT guy at once.