Top 10 grammar errors: Some errors in English have to avoid them. 1. Lack of subject-verb agreement Subjects and verbs agree in number. Examples: The dog growls when he is angry. [Singular] Dogs growl when they are angry. [Plural] 2. Using the wrong pronoun Incorrect: Everybody must write their own poem. Correct: Everybody must write his or her own poem. 3. Incorrect use of apostrophes Examples: Its vs. It's Its branches were falling. It's a cold day. They're vs. Their They're ready to leave. They are on their way. 4. Missing comma or semicolon in a compound sentence Correct: she wanted to go, but she didn`t have a car. 5. Writing run-on sentences Incorrect: Tom is very cute, he is very popular at school. Correct: Tom is very cute. He is very popular at school. 6. Misuse of homophones Examples: accept vs. except – accept means to receive. Except means to take out or leave out. Th