Parts of the Sentence - Verbals - Adverb Infinitives
An infinitive is a verbalA verbal is a verb form used as some other part of speech. Source: Lesson 206 that is to plus a verb form. It can be used as an adverbAdverbs are words that modify (1) verbs, (2) adjectives, and (3) other adverbs. They tell how (manner), when (time), where (place), how much (degree), and why (cause). Source: Lesson 161.
to be, to see, to be seen, to be eaten
Adverb infinitives are used to modify verbs. They usually tell why. Adverb infinitives are also used to modify predicate adjectivesAn adjective that comes after a linking verb and modifies the subject.
Source: Lesson 155. They may also be compound.
An infinitive phrase is made up
of an infinitive and any complements (direct objectsA direct object receives the action performed by the subject. The verb used with a direct object is always an action verb. Another way of saying it is that the subject does the verb to the direct object.
Source: Lesson 106, predicate nominativesA predicate nominative or predicate noun completes a linking verb and renames the subject. It is a complement or completer because it completes the verb. Predicate nominatives complete only linking verbs. The verb in a sentence having a predicate nominative can always be replaced by the word equals. Source: Lesson 101, predicate adjectives, or modifiers).
Instructions: Find the infinitives or infinitive phrases in these sentences and tell what word they modify.
1. The inspector came to check the dam for leaks.
- to check the dam for leaks modifies cameV
2. Fred finally went to work.
- to work modifies wentV
3. Paul arrived in New York to study physics and to learn more.
- to study physics and to learn more modify arrivedV
4. Are you old enough to drive?
- to drive modifies oldPAdj
5. The new soldiers were ready to listen and obey.
- to listen and (to) obey modify readyPAdj