English conditionals

Conditionals	ENGLISH CONDITIONALS
0	General truth or habbits IF + present simple, ... present simple.  If you heat water at 100 degrees, it boils.
1	Possible activities in the future IF + present simple, ... will + infinitive. If it’s sunny, we’ll go to the park.
2	Imaginary situations in the present or future IF+ past simple, ... would + infinitive.  If I won the lottery, I would buy a big house.
3	Imaginary situations in the past IF + past perfect, ... would + have + past participle.  If the weather had been good, we would have gone  water-skiing.
MIXED 1	Present result of a past condition IF + past perfect, … would + infinitive.  If I had listened to your advice, I wouldn’t be in the mess.
MIXED  2	Past result of a present or continuing condition.  IF + past simple, … would + have + past participle.   If I were a good cook, I would have invited them to dinner.

Present Conditional = would + infinitive.  

Perfect Conditional = would + have + past participle.