Here, 'since' is followed by a noun 'breakfast' and establishes a time relationship, functioning as a preposition.

Here, 'enough' modifies the adjective 'warm', indicating the degree. Therefore, it functions as an adverb.

Here, 'enough' modifies the noun 'money', specifying the quantity. Therefore, it functions as an adjective.

Concrete nouns are things you can perceive with your five senses. You can see, touch, and taste an 'Apple'.

'Bad' is an irregular adjective. The comparative form is 'worse' (and superlative is 'worst').

A predicate nominative is a noun that follows a linking verb and renames the subject. 'Doctor' renames 'She'.

An infinitive phrase begins with 'to' followed by the base form of a verb and its modifiers/objects. 'To read books' is the phrase.

'Ouch' is a sound or word expressing sudden pain, acting independently of the sentence structure, which is the definition of an interjection.

A possessive noun shows ownership, usually marked by an apostrophe. 'Dog's' indicates something belongs to the dog.

Here, 'below' indicates location relative to the text without taking an object, modifying 'see' (or the location of the sentence), acting as an adverb.