http://speakspeak.com/english-grammar-exercises/intermediate/first-versus-second-conditional

first conditional vs. second conditional

In this exercise you will practise the difference between first conditional and second

conditional sentences.

Structure of the first conditional

positive negative question

If I see him, I'll (I will) tell

him.

If you don't hurry, you'll

miss the bus.

What will you do if there is

a problem?

Structure of the second conditional

positive negative question

If I had more time, I'd (I

would) travel more.

I wouldn't (would not)

refuse if you offered me

$10,000.

What would you say if you

met Queen Elizabeth?

If I were you, I'd leave the

job.

I wouldn't (would not) leave

the job if I were you.

Would you leave the job if

you were me?

Instructions: Decide whether the following sentences should be in the first or second

conditional and put the verb in brackets into the appropriate form.

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

message.

We (move) if we had the money. Unfortunately new houses are very

expensive in this area.

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

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

http://speakspeak.com/english-grammar-exercises/intermediate/first-versus-second-conditional

Do you think it would be better if I (wait) another week, or shall I sell my

shares in the company now?

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

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

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

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

If you (see) her, say hello.

answers

see

would move

were / was

tell

waited

will fire

opened

lost

could

see