1. CONDITIONALS 0 type 1st type , “likely” 2nd type, “unlikely” 3rd type, “impossible”

2. Present simple Present simple or imperative
0 TYPE: general truths
IF CLAUSE MAIN CLAUSE
Present simple Present simple or imperative
If you get into trouble look for me
If it rains we all get wet
If you remain in the desert you dehydrate

3. 1st TYPE things that are likely to happen
IF CLAUSE MAIN CLAUSE
Present simple Future simple (will + infinitive)
Present modals ( can, must)
If you arrive late the teacher will be mad
Unless you tell me the truth I won’t trust you again
If Peter helps us we must help him back

4. 2nd TYPE things are not likely to happen
IF CLAUSE MAIN CLAUSE
Past simple Conditional (would + infinitive)
Past modals ( could, had to, should)
If I went to the USA I would visit the Grand Canyon
If I were you I wouldn’t do that
If you quitted smoking you would feel much better

5. 3rd TYPE it is impossible that things happen
IF CLAUSE MAIN CLAUSE
Past Perfect Conditional (would + have+infinitive)
Past modals ( could, should) + have + infinitive
If John had been to the party he would have met Sally.
If you hadn’t insulted Pete we wouldn’t have punched you
If the ambulance had been faster he could have saved his life.

6. I WISH… IF ONLY … Desire and regret
I wish (that)….. I had more friends.
She wishes (that) …..she earned more money.
We wish we travelled to Scandinavia.
I wish I had answered all the test questions.
Martha wishes she could tell the truth.
If only I were more intelligent…
If only the President drove Spain out of the crisis…
If only Uncle John had witnessed my wedding…
If only we had been together…