The supplier will deliver the goods this Friday or we'll terminate our contract with him.

The masked men will be found or the investors will never see the money again.

Either the father repairs the roof or he'll have to find somebody else to do it for him.

I advise you to start doing your homework or you will have to do some extra work.

Pete should ask Lilly out on a date. He'll be sorry for not doing so for the rest of his life, otherwise.

Take the dog out for a walk. Otherwise, it'll pee in the flat.

Either the bank manager satisfies our curiosity or he'll be replaced immediately.

Either the construction workers finish this week or you will have to pay for the rest of the project yourself.

Either the girl will learn the poem or she'll fail the class.

Get yourself a new haircut or you won't be successful at your job interview.

The parking problem has to be solved asap or people won't find any free parking spaces at all soon.

The milkman doesn't deliver any milk. He's ill.