Complete the first conditional sentences with the correct form of the words in brackets.

1 If the weather .. (be) nice tomorrow, we(go) swimming.

2 You(lose) your passport if you... (not look) after it.

3 If your brother(drive) to the camp site, the trip (not take) long.

4 Anna..(not get) a seat on the bus if she (not come) soon.

5 What (we/do) if the restaurant (not be) open?