You can play in the living room if you don’t make a mess. (long)

If you heat water to a 100 degrees, it boils. WHEN

If I don't phone you, you can assume the train is on time. UNLESS...

The bank will lend the company 100,000 pounds if they repay the money within six months. (condition)

If you continue to have problems with your Internet connection, I'll arrange for an engineer to check everything. SHOULD FOR POLITE CONDITIONAL

Supposing you ......... (lose) your passport, you’d have to go to the embassy, wouldn’t you?

In the first conditional you can replace will with ...

You can get a senior citizen’s reduction if you’ve got a railcard. (provided)

Supposing he .......... (recognise) us – he might never have spoken to us.

They may do whatever they like .......... that it is within the law.

We’ll have to cancel the show ......... we sell more tickets at the last minute.

Say how to form all 4 conditionals.