Conditionals Zero Conditional First Conditional Second Conditional Third Conditional Possible at any time, but most commonly in present Possible in the future Impossible in the present/ possible but improbable in the future Impossible in the past if + present (simple, continuous, perfect) & present(simple, continuous, perfect) if+ present(simple, continuous, perfect)or modals & will(be going to, may, can, should, present simple) if+ past (simple, continuous) & would (could, might) +infinitive if+ past perfect (past perfect continuous, might have, could have) & would have + past participle 1) situations that can occur at any time(more than once) and their results If you press this key, the game starts 2) Actions which always have the same result If you use hot iron on nylon, it melts 3) general instruction If you want to start, pres red button 1) possible future events and their results If the weather is fine, we will go for a walk 2) command If you come home late, don’t wake us up! 3) offer I’ll call the hotel if you don’t have time 4) warnings I’ll call the police if you don’t leave now! 1) improbable future event or situation If I won a lottery, I would buy an island 2) a hypothetical current situation which is contrary to known facts If I knew the answer I would tell you 3) giving advice If I were you, I would do it 4) polite request If you could help me, I would be very grateful 5) desires, regrets If we didn’t work so hard, we could spend more time together 1) a hypothetical situation in the past is contrary to known facts I wouldn’t have got wet if I had taken an umbrella 2) criticism If you had been driving more slowly, you could have stopped in time. Alternative to IF unless negative (if not) I’ll go unless you stop me – I’ll go if you don’t stop me provided that, on the condition that, necessary (only if) We will deliver tomorrow provided that all the bills are paid suppose, what if imaginary what if? Suppose he asked you to go to the cinema, would you go? in case I’ll come in case you are there (I don’t know whether you’ll be there) even if unexpected Even if they do all the tasks, they won’t be paid in time when I’ll tell you when I have all the information