When a Verb has two or more nominatives connected by or or nor, it must agree with them singly, and not as if taken together.
RULE XVIII.—INFINITIVES.
The Infinitive Mood is governed in general by the preposition TO, which commonly connects it to a finite verb.
RULE XIX.—INFINITIVES.
The active verbs, bid, dare, feel, hear, let, make, need, see, and their participles, usually take the Infinitive after them without the preposition TO.
RULE XX.—PARTICIPLES.
Participles relate to nouns or pronouns, or else are governed by prepositions.
RULE XXI.—ADVERBS.
Adverbs relate to verbs, participles, adjectives, or other adverbs.