Of the thousands of questions submitted to ASK GRAMMAR, these are the issues raised most often. Clicking on the phrases and questions below will take you to a section of the GUIDE TO GRAMMAR AND WRITING that should answer that question. You might also try the INDEX or go through the listing of questions for each of the GRAMMARLOGS. There is also a search engine.

I'm confused by these words . . .

affect versus effect
accept versus except
bad versus badly
bring versus take
compare to versus compare with
different from versus different than
do versus make
due to versus because
if versus whether
into versus in to
its versus it's
i.e. versus e.g.
less versus fewer
lie versus lay
people versus persons
shall versus will
that versus which
toward versus towards
well versus good

For the complete list of more than 500 "Notorious Confusables," click on Tweedledee and Tweedledum, above.