Mixed levels · 8 lessons
Common English Grammar Traps
Compare commonly confused words and patterns so you can choose the form that matches the intended meaning.
Use these focused comparisons as review after a quiz or whenever two similar forms keep causing mistakes.
Lessons in this path
Lesson 1
Advice vs. Advise
The noun advice and the verb advise — spelling, pronunciation, and usage.
Lesson 2
Accept vs. Except
Accept (to receive) vs. except (to exclude) — avoid this common confusion.
Lesson 3
Effect vs. Affect
Effect (noun) vs. affect (verb) — one of the most confused pairs in English.
Lesson 4
Its vs. It's
Its (possessive) vs. it's (it is/has) — master this apostrophe distinction.
Lesson 5
Principal vs. Principle
Principal (main/head) vs. principle (rule/belief) — homophones with different meanings.
Lesson 6
Than vs. Then
Than (comparison) vs. then (time/sequence) — stop mixing them up.
Lesson 7
There / Their / They're
Three homophones with completely different meanings and uses.
Lesson 8
Your vs. You're
Your (possessive) vs. you're (you are) — a very common writing mistake.