Participle is a verbal, or a word based off of a verb that expresses a state of being, ending in -ing (present tense) or -ed, -en, -d, -t, -n, or -ne (past tense) that functions as an adjective.
(A) Bitten by a mosquito is a <u>PAST </u><u>TENSE.</u>
He is eager to look through the trunk and impatient most likely because he is riffling through the trunk
B. Is the sentence with a comma error
A plural word is <span> is a </span>word that indicates that there is more than one person, animal place, thing, or idea. When you are talking about more than one thing, you are using plural nouns. You usually add s, es, or ies to the end.
Hoped I Helped!
The answer is: <span>adjectives, </span><span>infinitives, </span><span>gerunds, </span><span>noun clauses, </span><span>participles, and </span><span>adverbs
These parts of speech can function as modifiers.</span>