What class of words in Modern English retains grammatical gender? personal pronouns subordinating conjunctions relative pronouns substantives

boldness and strongness. don't let others bully you, stand up for yourself

explanation:

there is no sentence to look at.

comfortable

explanation:

one type of the adjectives is predicate adjective. a predicate adjective is an adjective which follows a linking verb and modifies or refers back to the main subject of that linking verb.

it usually is used just before the noun it modies.

here in this example:

'penguins seem comfortable in the coolest habitats', comfortable is the predicate adjective which follows the linking verb 'seem' and modifies the noun.