Common English mistakes I see daily, in newspapers, magazines, and hear on television, radio etc. (Add a pseudo-American accent and they become teeth-grindingly irritating).
- mother-in-laws instead of mothers-in-law (and other familial relationships too).
- there instead of their and vice versa.
- advice instead of advise (and vice versa)
- alright instead of all right
- between ... to instead of between ... and
- different than instead of different from (especially common in American television). Different to is also acceptable.
- brang and brung instead of brought
- between you and I instead of between you and me
- and etc is not needed when etc is sufficient.
- Mine's instead of mine. Same with our's, their's etc.
- Wrong use of its/it's in sentences. It's is always a contraction of it is or it has.
- substitute with instead of substitute for