("of" is a preposition that forms modifying phrases)
There are a lot of interesting answers on WikiAnswers.
He was not sure of his options.
He was born on the fourth of July.
My wallet was on the top of the counter.
Note : there is no such phrase as should of.
This is the spoken contraction "should've", meaning "should have".
I am not writing a sentence using that word.
I can give you a sentence using the word galaxy.
a sentence using the word endotracheal
This is a sentence using the word aviator.
I am saying a sentence using the word collagen.
This is a sentence using the word monomer. :P
this is a sentence using the word armchair.
Need a sentence using the word crater?
make sentence using the word of hunter
Please type a sentence using the word assertion.
I can write a sentence using the word scorn!
This is an example of a sentence using the word breakfast.