When John ...... (come) home, tell him I went shopping.

The supervisor will be very angry when he ...... (find) out.

Uncle George is going to buy the house when he ...... (return) from the business trip in Switzerland.

After you ...... (take) off your coat and shoes, don't forget to wash your hands.

David might be tired after he ...... (finish) his work-out in the gym.

After Dr Louis ...... (read) the note, tell him to come to my office.

Before you ...... (leave) the house, check if all the lights are off.

The passengers will be searched for drugs and guns before they ...... (board) the plane.

Before Ms Mitchell ...... (write) a complaint to the manager, I'd like to have a word with her.

As soon as your daughter ...... (make) a mistake in her essay, tell her to have a look at what she's writing and see if she can spot the error.

David will be in the office as soon as the meeting ...... (be) over.

Mr Gutenberg is going to have a look at the beach house as soon as he ...... (find) some free time.

The moment you ...... (enter) my flat, take off your shoes please.

David usually greets everybody in the office the moment he ...... (come) in.

The moment Lilly ...... (walk) in, shout 'Happy Birthday!'