You must not tell anybody. Under ........................ tell anybody.

If you happen to succeed I ´d be very impressed.Were ... I´d be very impressed.

I´d love to travel the World if I didn´t have to pay off the mortgage. Were ................................................ to pay off my mortgage I´d love to travel the World

Do not open this before christmas. On no ..........open this until Christmas.

I will never do that again. Never.................... that .

If she had wanted to go. she would have done so. Had..................... she would have done so.

Unless things don´t go as planned there´ll be no problem. As.... there´ll be no problem

If I didn´t have a fast car, I would have been late. If it .......................... I would have been late.

I didn´t realize we were so late until she rang us . Not until ... realize we were so late.

If you don´t understand just ask. Should............................ just ask.

If it hadn´t been raining the roads wouldn´t have been slippery. But .... the roads wouldn´t have been slippery.

He might have got the job if he had been willing to attend an interview. He might have got the job but ..........attend an interview