I will pour the concrete walkway next week.
He now had concrete evidence that she didn't love him.
No concrete proposals for the new port have been developed.
President Grant is buried in a concrete tomb.
The man chiseled away the concrete which had been spilled by the workers on the roof.
The only concrete noun in your sentence is sentence. Note: The noun 'sentence' is a concrete noun only for a written or spoken sentence; the noun 'sentence' as a word for a penalty imposed for a crime conviction is an abstract noun.
The noun 'curiosity' is an abstract noun as a word for a strong desire to know or learn something, a word for an emotion; a word for an odd or interesting fact, a word for a concept.Example sentence: It was curiosity that led me to this website.The noun 'curiosity' is a concrete noun as a word for a strange or unusual object; a word for a physical thing.Example sentence: It looks like a curiosity from an ancient culture.
I am not writing a sentence using that word.
The only concrete noun in your sentence is sentence. Note: The noun 'sentence' is a concrete noun only for a written or spoken sentence; the noun 'sentence' as a word for a penalty imposed for a crime conviction is an abstract noun.
The concrete noun in the sentence is firemen, a word for physical people.
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