The charts below show examples of common errors in writing conventions.

Sentence formation

A sentence is an expression of an assertion, explanation, proposal, question, or command.

Common errors

Fragments

After we got home.

Run-ons

My brother came home from school he left to play basketball.

Phrases or clauses used incorrectly that interfere with the meaning of the sentence.

She decided to the flowers.

Drinking my milk, the cookies seemed irresistible.

Usage

Standard usage includes agreement, tense, and case.

Common errors

Incorrect use of verbs

Mary and her sister wants to go to the mall.

I went to school yesterday. I eat lunch. After lunch, I played with my friends.

I might could go flying.

If I am a fireman, I would help others.

Pronoun misuse

Everyone raised their hands.

Between you and I, the test was hard.

John and myself went to school.

Incorrect formations

hisself, theirselves, bestest

Failure to use a word according to its standard meaning

There going to a movie

He wanted to sale the boat

I am glad I have the chance to suppress my feelings.

Mechanics

Mechanics involves the use of capitalization, punctuation, and spelling.

Common errors

Incorrect capitalization

did he give it away?

The teacher’s name is tom evans.

Jose and i went to the store.

George eats Bananas and Oranges.

Incorrect punctuation

Why did she go home early.

John plays golf tennis and baseball.

Tom said Go to the store."

Patterns of misspellings of common words or incorrect pluralization

freind for friend

boxs for boxes