WORDS INSTEAD OF "IF"

FIRST CONDITIONAL

• If + Present Simple --> will + verb

e.g. If we don't do our homework, our teacher will be furious.
Unless we do our homework, our teacher will be furious.

Provided (that)...
Providing (that)...
As long as...
e.g. Provided that the weather is good, the match will take place as usual.

NOTE: No "will", even if they refer to the future!
If-clause
Time-clause
e.g. If you go Paris make sure you visit the Louvre.

when, while, before, after, as soon as -->
Present Simple, Present Continuous, Present Perfect -->
to refer to the future!!

TIME CLAUSES
While you stay in Paris, make sure you visit the Louvre.
When I am sitting on the beach, I love reading books.
As soon as you have arrived home, please call me.