Any noun (abstract or concrete) is used as the subject of a sentence or a clause and the object of a verb or a preposition.
EXAMPLES
subject of the sentence: The dangerhas passed and the future looks good.
subject of the clause: The new procedure, an idea submitted by staff, has been approved.
direct object of the verb: The movie is a comedy.
object of the preposition: We've prepared the food for tomorrow.
Beauty is an abstract noun.
The abstract noun is: beliefs
The abstract nouns in the sentence are: determination and victory The concrete noun in the sentence is: girl
Example sentence for the abstract noun 'courage':I do not have the courage to tell lies.
The nouns in the sentence, people and hall, are both concrete nouns. There are no abstract nouns in the sentence. The use of the word 'protest' is the trick. As a noun, protest is an abstract noun, but in your sentence it is the verb form 'to protest', not a noun.
The noun 'grammar' is a common, uncountable, abstract noun. The noun 'grammar' is functioning as the direct object of the verb 'teaches'.
The abstract nouns in the sentence are idea and problem.
The abstract noun is question.There is no concrete noun in the sentence. The words 'you' and 'something' are both pronouns, words that take the place of nouns.
The noun in the sentence is birthday, a singular, common, compound, abstract noun.
The abstract noun is generosity.
Example sentence: Curiosity killed the cat.curiosity is an abstract noun, a word for a desire, an emotion.cat is a concrete noun, a word for a physical creature.
"Understanding" is an abstract noun present in the sentence "Lugie is easily understood."