Why did we stay at a fancy hotel? We (help) the environment if we (book into) an eco-hotel.

Wow! This is a great hybrid car - I (buy) if it I (have) the money, but I can't afford it.

You need to learn that if you (recycle) glass, paper, and aluminum, you (save) energy.

What do they teach you at school? Don't you know that if a flame (come) into contact with natural gas, it (cause) an explosion!

There's nothing to do indoors; we (go out) if the weather (not be) so hot and humid.

What (happen) to our way of life when all the fossil fuels (run out)?

Rewrite without changing the meaning.

We didn't see the sign and we entered the restricted area.

We wouldn't __________________________________________.

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Can you lend me your car? I can return it on Tuesday.

If you __________________________________________.

Rewrite without changing the meaning.

Ian wants to invent a new form of fuel and become a billionaire!

Ian would__________________________________________!

Rewrite without changing the meaning.

Sam can't eat shellfish because he gets sick.

When__________________________________________!