Ex1: Complete the conditional sentences, using the given information:
1. You should take exercise regularly because it is the way to get fit.
-> If you ...........................................................................................
2. I can't look the word up because I don't have a dictionary.
-> If I ....................................................................................
3. I don't have his phone number, so I don't phone him.
-> If I ............................................................................
4. You may want a help, just give me a ring.
-> If you .......................................................
5. It is raining, so we won't finish the game.
-> If it ..........................................................
6. I don't ride the bus to school every day because it is always crowded.
-> If the bus ..............................................................................................
7. People don't realise how important it is to conserver energy, so they do nothing about it.
-> If people ............................................................................................................................
8. David has a lot of accidents because he is so clumsy.
-> If David ......................................................................