If Pete ...... (not / meet) Lilly, he would ...... (never / find) out what an angel speaks, smiles or sings like.

If the poor beggar ...... (not / look) under that stone, he would ...... (never / trip) over so much money in his whole life.

If the professor ...... (not / stumble) over his words, the students would ...... (never / learn) about the exam in advance.

If the young English teacher ...... (not / accept) his first school assignment, he would ...... (never / meet) his sweetheart Lilly.

If the sweet lovely girl ...... (not / fall) in love with my brother, he would ...... (never / be) happy in his life at all.

If the ministers ...... (not / sign) the contract, loads of people would ...... (lose) their jobs.

The passengers would ...... (get) infected with a serious disease if the pilots ...... (not / switch) off the air conditioning.

The whole concert would ...... (be) postponed if the rock band ...... (not / catch) an earlier plane.

David's hairdresser would ...... (sack) his assistant if she ...... (not / do) some overtime last week.

The priests would ...... (conclude) their masses in a different way if they ...... (know) the church-goers didn't like their performances.

The electrician would ...... (swap) the power strip if he ...... (notice) there was something wrong with it.

The bailiff would ...... (take) away the guys' guns if he ...... (search) them beforehand.