Punctuation
Parts of Speech
Types of Writing
Common grammar mistakes
What's wrong with me?
100
Why did the chicken cross the road (!/ ?)

?

100

The cute dog ran under the fence. 

adjective

100

Once upon a time, there lived a beautiful princess...

Narrative

100

(Your / You're) so smart!

You're

100

The students doesn't know any better.

don't

200

The boy said, come here! (What's missing?)

Quotation marks " "

200

The cute dog ran under the fence.

noun

200

There are many differences between city and country life.

Comparison

200

(Your / You're) job is important.

Your
200

The teacher don't know why the kids are talking. 

doesn't

300

She went to the bus stop but the bus already left. (insert comma)

,  after stop

300

The cute dog ran under the fence.

verb

300
Houston is the best city to live in!

Persuasive  

300

(Its /It's) a sunny day.

It's 
300

The smart boy and his teacher.

sentence fragment
400

Cats have fur they are soft. (What's missing?)

; after fur

400

The cute dog ran under the fence.

preposition

400

New dress codes will help boost student morale.

persuasive

400

Everyone/ Every one of the chairs is taken.

Every one
400

School is necessary, and important. 

comma