Common Grammar Mistakes 1. Fragments- group of words that does not express a complete thought. ex- To go to school. Did their homework last night. 2. Run-ons- two or more complete sentences that are not properly joined or separated. Ex- I rode the bus to school today it got to school late. 3. Commas with a conjunction, series, and introductory phrases- Use a comma before a conjunction in a compound sentence. Use commas to separate three or more words, phrases, or clauses in a series. Use a comma after an introductory word, phrase, or clause. 4. Weather/whether- Weather describes how it is outside. Whether is a conjunction used to introduce alternatives. 5. Granted/granite- You take something for granted. Granite is a type of rock. 6. Their/there/they’re- Their is a possessive pronoun and always modifies an noun. There can be used at the beginning of a sentence or as an adverb. They’re is a contraction meaning they are. Ex- Students feel as if they spend all of their time doing homework. There are many obstacles a teenager encounters in high school. They’re going to the football game on Friday. 7. Your/You’re- Your is a possessive pronoun that modifies a noun. You’re is a contraction that stands for you are. Ex- You’re going to the game Friday, right? Did you do your homework? 8. Apostrophes with possession and contractions- Use an apostrophe and s to show the possessive case of most singular nouns and plural nouns that do not end in s or es. Add an apostrophe to show the possessive case of plural nouns ending in s or es. Use an apostrophe in a contraction to indicate the position of the missing letter or letters. 9. Spell out numbers less than 100- You should spell out numbers less than 100 10. Capitalization- proper nouns, beginning of a sentence, book titles 11. Were/Where/We’re/Wear- Were is a verb. Where is a conjunction. We’re means we are. Wear is a verb. 12. Probably- notice the spelling!! 13. Plurals- y to i + es ex: daisy- daisies 14. its/it’s- Its is a possessive pronoun. It’s means it is. 15. double negatives- Don’t know nothing. Should be Don’t know anything. 16. since/sense- Since the beginning of the year, homework gets turned into the basket. Have you seen the movie The Sixth Sense? 17. Verb tenses- Verbs should agree with the subject of the sentence. 18. Definitely- Notice the spelling!! 19. Titles- quotation marks vs. underline/italics- Quotation marks- short stories, poems, articles; Underline- book titles, movies, long works 20. To/Too/Two- to is a preposition, begins a phrase, or an infinitive; too is an adverb that modifies adjectives and other adverbs; two is a number ex- to the homestead, to dig, too dry, two cows 21. Quiet/Quite- Notice the spelling!!! 22. Remember- Notice the spelling!!! 23. A/An- use a before consonant sounds; use an before vowel sounds. Words beginning with h, o, or u could be a consonant or vowel sound ex- a dog, an hour, a whale, an eagle 24. a lot- is TWO words. 25. Would have NOT would of- Do not use the preposition of in place of the verb have. Ex- A single sheriff would of watched over a group of towns. WRONG A single sheriff would have watched over a group of towns. CORRECT 26. Than/Then- Than is used in comparisons. Then is an adverb. Ex- The telegraph was faster than the pony express. First people used telegraphs, then they used the telephone.