Question

Complete the gaps with the correct forms of the verbs in brackets. First Conditional If life expectancy increases (increase), people will have to (have to) work longer. 1 The air ___________ (be) cleaner if we ___________ (use) public transport. 2 If unemployment ___________ (go) up, I ___________ (look) for work abroad. 3 Solar panels ___________ (not/work) if the sun ___________ (not/shine). 4 If we ___________ (not/replant) forests, there ___________ (be) less oxygen. 5 We ___________ (not/be able) to drive if there ___________ (not/be) any petrol.

Answer 1

1 will be cleaner,use

2 goes up,will look

3won't work, doesn't shine

4 don't replant,will be

5 won't be able, isn't

Answer 2

1. The air will be cleaner if we use public transport.
2. If unemployment goes up, I will look for work abroad.
3. Solar panels will not work if the sun does not shine.
4. If we do not replant forests, there will be less oxygen.
5. We will not be able to drive if there is not any petrol.