This one-letter word is always capitalized, even in the middle of a sentence.
I
This can be referred to when checking the spelling of a word, and is found as a book or online.
A Dictionary?
A synonym for large.
Big/Huge/Giant/Etc...?
What is the past tense of 'go'?
Went
A person, place, object, or idea, etc...
Noun
This word of the sentence is always capitalized.
The First Word
This word's spelling needs to be corrected: Scool.
S-C-H-O-O-L?
A synonym for small.
Little/Tiny/Etc...?
What is the past tense of 'drive'?
Drove
Action words.
Verbs
These are capitalized when referring directly to a person.
Names
This Word's spelling needs to be corrected: Dun.
D-O-N-E?
An antonym for left (directional).
Right?
What is the past tense of 'shake'?
Shook
Descriptive words, often accompanying a Noun.
Adjectives
These often appear on books, newspapers, and other documents, and in many cases, most words are capitalized.
Titles
This Word's spelling needs to be corrected: Ellefant.
E-L-E-P-H-A-N-T?
A synonym for Spicy.
Hot/Zesty/Etc...?
What is the past tense of 'think'?
Thought
Name, specific place name, title, etc...
Proper Noun.
There are twelve of these today, and are always capitalized, even when in the middle or end of a sentence.
Months
This Word's spelling needs to be corrected: Persipitayshun
P-R-E-C-I-P-I-T-A-T-I-O-N?
An antonym for Synonym.
Antonym?
What is the past tense of 'will'?
Would
A less specific word often replacing a Noun in a sentence or phrase.
Pronoun