Common errors in English writing

[dodecahedron]

http://www.wsu.edu/~brians/errors/errors.html#errors

[Ian]

I'm bad at this one:

http://www.wsu.edu/~brians/errors/its.html

[Bhairav]

People also seem to mix up "youre","your'e" and "you're" pretty frequently.

[dodecahedron]

I'm bad at this one:

http://www.wsu.edu/~brians/errors/its.html

yeah, i know

[ccb056]

the only ones Im bad with are:

who/whom
farther/further

[CDRecorder]

I'm bad at this one:

http://www.wsu.edu/~brians/errors/its.html

I always have trouble with that one, even I know which one is right if I actually think about it.

[jase]

I really like that site (it's cropped up on this site before). It is very informative.

Common faults I make include "secondly" and "one-dimensional". None of us are perfect I guess

[VEFF]

The ones I see used incorrectly the most frequently are:

'its' and 'it's' (probably one of the trickiest IMO, since possessive pronouns usually end in 's; this is one of the only exceptions that I am aware of)
'then' and 'than'
'you're' and 'your'
'accept' and 'except'
the word 'none' used as a plural pronoun instead of singular.
'who' and 'whom'

Example of all of them used incorrectly in one, admittedly silly, sentence:
Its better to enjoy life more then most people, none of who seem to feel excepted by society, unless your in another country.

[dodecahedron]

I really like that site (it's cropped up on this site before).

don't remember that.
i got the link from my sis.