Prepositions are called "the biggest little words in English" because they have so many important functions. But they are also easy to mix up. Here are eight prepositions that are commonly confused by writers.
1. At
Nonstandard: I came in at the right day.
Better: I came in on the right day.
2. On
Nonstandard: Yesterday I was on a meeting of first semester students.
Better: Yesterday I was at a meeting of first semester students.
3. In
Nonstandard: I work in a private swimming school.
Better: I work at a private swimming school.
4. Of
Nonstandard: I am bored of this.
Better: I am bored with this.
5. About
Nonstandard: Many people have prejudices about foreigners.
Better: Many people have prejudices toward foreigners.
6. With
Nonstandard: The author was right with his assumption.
Better: The author was right about his assumption.
7. For
Nonstandard: Your friendship for Rachel must be really special.
Better: Your friendship with Rachel must be really special.
8. From
Nonstandard: The call was made from a crank caller.
Better: The call was made by a crank caller.
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