1. All About Conditionals

2. TYPE 0 We refer to general truths, habitual actions.
If clause – Simple present
Main clause – simple present
My mom gets nervous if I arrive late.
If the temperature is 100 Celsius, the water boils.

3. Type 1 If it rains, I’ll lend you an umbrella.
Unless you don’t move, I’ll hit the apple.
We refer to the future. In this case it is LIKELY that the condition will be fulfilled.
Unless = if … not
If clause – Simple present
Main clause – simple future

4. Type 2 If had a maid, I wouldn’t have to clean the house.
We refer to the present. In this case it is UNLIKELY that the condition will be fulfilled.
In the IF-clause ‘WERE’ can be used instead of ‘was’.
If clause – Simple past
Main clause – simple conditional
If had a maid, I wouldn’t have to clean the house.

5. remember ‘Will’ can be replaced by: may can should
If you ask your mom, she may buy you this backpack.
If they went on holiday, they could practise their English.
‘Will’ can be replaced by:
may
can
should
‘Would’ can be replaced by:
might
could

6. Reviewing things

7. Conditionals If clause Main clause Use If + Present form
Type I
Real present
If + Present form
Future / Imperative, can/must/should + bare inf., Present Simple
Situation likely to happen in present or future
If the weather is good, we can go for a walk.
If you have finished, we ca go home.
Type II unreal present
If + Past Simple / Past Continuous
Would/could/might + bare infinitive
Situation unlikely to happen in present or future + used to give advice
If I saw a ghost, I would run away.
If I were you, I wouldn’t pay him.