The word challenged is not a noun. The word 'challenged' is the past participle, past tense of the verb to challenge. The past participle of the verb is also an adjective.The word challenge is the noun form.Example: Are you up to the challenge?The noun forms of the verb to challenge are challenger and the gerund, challenging.
Rust is a common noun.
The noun 'common' is a common noun, a general word for a piece of open land in a town or village for public use; a word for a thing.The noun 'common' is a specific noun for the general noun 'land' or 'area'.
common
Yes, teaspoon is a common noun.
The word challenged is not a noun. The word 'challenged' is the past participle, past tense of the verb to challenge. The past participle of the verb is also an adjective.The word challenge is the noun form.Example: Are you up to the challenge?The noun forms of the verb to challenge are challenger and the gerund, challenging.
The word challenge is both a verb and a noun. The noun challenge is a singular, common, abstract noun; a word for something requiring skill, strength, or determination to accomplish; an invitation to take part in a contest or competition. Example sentences Noun: We met the challenge to finish the project on time and on budget. Verb: The competition will challenge everything we've trained for.
Test can be a noun and a verb. Noun: A challenge. Verb: To challenge.
Example sentences: It was a challenge that she worked hard to overcome. (noun) The defense will challenge the testimony of this witness. (verb)
common noun
It can be a verb or a noun. As a verb: "I challenge you to show evidence to back up your assertion." As a noun: "Finding a job in today's economy is certainly a challenge."
Common
Common noun
common
Running in the New York City Marathon was a (challenge) that Nina felt ready to overcome.
Pea is a common noun, and peas is the plural...still a common noun.
In the sentence that you give, the word challenge is used as a noun.