English Grammar Cheat Sheet
A printable grammar reference covering parts of speech, punctuation rules, common mistakes, and sentence structure with clear examples.
English Grammar Cheat Sheet
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Parts of Speech
Noun — person, place, thing, idea. The dog ran home.
Pronoun — replaces a noun. She went to the store.
Verb — action or state of being. He runs every day.
Adjective — describes a noun. The tall tree fell.
Adverb — modifies verb/adj/adverb. She ran quickly.
Preposition — shows relationship. The book is on the table.
Conjunction — connects words/clauses. I like tea and coffee.
Interjection — expresses emotion. Wow! That was amazing.
Punctuation Rules
Period (.) — ends a declarative sentence.
Comma (,) — separates items in a list, after introductory phrases, before conjunctions in compound sentences.
Semicolon (;) — joins two related independent clauses without a conjunction.
Colon (:) — introduces a list, explanation, or quote.
Apostrophe (') — shows possession or contractions. It's the dog's bone.
Quotation Marks (" ") — surround direct speech or titles.
Em Dash (—) — adds emphasis or an aside.
Oxford Comma — comma before "and" in a list. Red, white, and blue.
Sentence Structure
Simple: One independent clause. She runs.
Compound: Two independent clauses joined by conjunction. She runs, and he walks.
Complex: Independent + dependent clause. Because it rained, we stayed in.
Compound-Complex: Two independent + one dependent. When the alarm rang, she woke up and he made coffee.
Basic Pattern: Subject + Verb + Object
Subject: who/what performs the action
Verb: the action or state
Object: who/what receives the action
Active: The cat caught the mouse.
Passive: The mouse was caught by the cat.
Common Grammar Mistakes
Subject-Verb Agreement: The group are is ready.
Run-on Sentences: Use a period or semicolon to separate independent clauses.
Dangling Modifiers: Running fast, the finish line appeared. Running fast, she saw the finish line.
Who vs. Whom: Who = subject, Whom = object. Who called? / To whom did you speak?
Less vs. Fewer: Less = uncountable, Fewer = countable. Less water, fewer cups.
Affect vs. Effect: Affect = verb, Effect = noun (usually). It will affect the effect.
Commonly Confused Words
their = possession | there = place | they're = they are
its = possession | it's = it is / it has
your = possession | you're = you are
to = direction | too = also/excessive | two = number
then = time/sequence | than = comparison
accept = receive | except = exclude
loose = not tight | lose = misplace
principal = main/school head | principle = rule/belief
complement = completes | compliment = praise
stationary = not moving | stationery = paper/pens
Related Templates
FAQ
What are the 8 parts of speech?
The 8 parts of speech are: noun, pronoun, verb, adjective, adverb, preposition, conjunction, and interjection. Each serves a different function in a sentence.
What is the most common grammar mistake?
Subject-verb agreement errors are among the most common. Other frequent mistakes include confusing their/there/they're, its/it's, and using apostrophes incorrectly in plurals.
How can I improve my grammar quickly?
Keep a cheat sheet handy for reference, read extensively, and practice writing daily. Focus on one rule at a time until it becomes automatic before moving to the next.