Conditional senteces - If - clauses

There are 2 types of if - clauses:

Type I (it's possible to happen)
If I live near the sea I'll go to the beach.

If + Present + Future (will)

or

I'll go to the beach if I live near the sea.

Future (will) + If + Present

Type II (it isn't possible to happen)
If I lived near the sea I would eat fish every day.

If + Past + Conditional (would)

or

I would eat fish every day if I lived near the sea.

Conditional (would) + If + Past

http://comps.fotosearch.com/comp/UNC/UNC217/beach-19-59years-old_~u15864473.jpg
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