20 errors
1. Missing comma after an introductory element
2. Vague pronoun reference
3. Missing comma in a compound sentence
4. Wrong word
5. Missing comma(s) with a nonrestrictive element
6. Wrong or missing verb ending
7. Wrong or missing preposition
8. Comma splice
9. Missing or misplaced possessive apostrophe
10. Unnecessary shift in tense
11. Unnecessary shift in pronoun
12. Sentence fragment
13. Wrong tense or verb form
14. Lack of subject-verb agreement
15. Missing comma in a series
16. Lack of agreement between pronoun and antecedent
17. Unnecessary comma(s) with a restrictive element
18. Fused sentence
19. Misplaced or dangling modifier
20. Its/It's confusion



EasyWriter Resources / 20 Most Common Errors /
7. Wrong or missing preposition




In and on both show place, but use on with a street and in with a city.




Compare to means "regard as similar"; compare with means "to examine to find similarities or differences."

Many words in English are regularly used with a particular preposition to express a particular meaning. Throwing a ball to someone is different from throwing a ball at someone. Because many prepositions are short and not stressed or pronounced clearly in speech, they are often accidentally left out or mixed up in writing.

For practice recognizing and editing this error, go to Exercise Central.


Bedford/St. Martin's   |   About This Book   |   Composition   |   Catalog   |   Order a Book   |   Contact Us   |   Tech Support