The first conditional
has the present
simple after 'if',
if + present
simple, ... will +
infinitive
EJEMPLOS: -If it rains, I won't
go to the park.
She'll be late if the train is
delayed.
It's used to talk about things
which might happen in the future.
Of course, we can't know what
will happen in the future, but this
describes possible things, which
could easily come true.
The 'if' clause can be used with
different present forms.
EJEMPLO: If I go to New York again, I'll buy you
a souvenir from the Empire State
Building.
If he's feeling better, he'll
come.
The "future clause" can contain 'going
to' or the future perfect as well as
'will'.
EJEMPLO: If I see him, I'm
going to tell him exactly
how angry I am.
If we don't get the contract, we'll have
wasted a lot of time and money.