Exercise: first conditional vs. second conditional 

Exercise instructions

Decide whether the following sentences should be in the first or second conditional and put the verb in brackets into the appropriate form:

1He's coming to our offices tomorrow. If I (see)  him, I'll give him the message. 

2We (move)  if we had the money. Unfortunately new houses are very expensive in this area. 

3If I (be)  a millionaire, I'd still work so that I didn't get bored. 

4If I (tell)  you a secret, will you promise not to tell anyone? 

5Do you think it would be better if I (wait)  another week, or shall I sell my shares in the company now? 

6If he causes any more problems, I (fire)  him. 

7Would you mind if I (open)  the window? It's really hot in here. 

8If I (lose)  my job, I'd apply to join the police. 

9Where would you go if you (can)  go anywhere in the world? 

10If you (see)  her, say hello.