He came as an illegal alien and spent several years legalizing his status.
Some people believe in aliens. Alien is a noun so use it in a sentence as a person
"The first contact with the alien was disconcerting." "The ways of foreigners are alien to us."
The proper noun in the sentence "Naveen is a good boy" is the word "Naveen."
The noun "alien" is a singular, common, concrete noun, a word for a person. The word "alien" is also an adjective.
The adjective is big, describing the noun eyes.
'Alienate' is the verb form of the noun 'alien'.
No
Today is a noun in that sentence.
Her suggestion was completely alien to me.
A good example for a sentence would be: "A bone in my back broke."
Examples of Adjective Noun patterns are: The football team is good. (Football is the Adjective in this sentence, but, it can also be a Noun.) <--- Example: The football was sticky. (Football is now a Noun in this sentence.) The green eyes scared me! (Green is the Adjective in this sentence, but, it can also be a Noun.) <--- Example: Green is my favorite color. (Green is now the Noun in this sentence.)
The nouns in the sentence are alien and scales.