HOMEWORK
Compare the sentences in each pair and reflect upon the differences in form and register.
1.a)If you should need assistance, please do not hesitate to contact me.
b)Should you need assistance, please do not hesitate to contact me.
2.a)If I had known this would happen, I would never have agreed to your proposal.
b)Had I known this would happen, I would never have agreed to your proposal.
3.a)If it wasn't for the fact that he is under 18, we would prosecute.
b)Were it not for the fact that he is under 18, we would prosecute.