Saturday, September 10, 2011

Zero conditional



The zero conditional is used
to talk about general truths ,
or things that are almost
always true under certain
conditions. For example, it's
pretty much always true that
if it rains , stuff gets wet .
Zero conditional is easy to
form because all the verbs
are in present tense . You
just use two clauses, one with
If + simple present verb and
the other with another simple
present verb, as in, "If
students miss an exam, the
professor fails them." Or you
can reverse the order of the
clauses. You can say, "The
professor fails students if
they miss an exam."
Finally, this form can also be
used for giving instructions
about what to do under
certain conditions. For
example, "If I' m late for
dinner, start eating without
me."
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