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Lesson 17. Tenses of ‘To Be’ AND Infinitive Used as Subject and Object. Principal Parts of ‘To Be’ . Sum, esse, fui, futurus 1 st 3 of the 4 Principal Parts - 1 st person singular (present), infinitive, 1 st person singular, perfect tense Stems
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Lesson 17 Tenses of ‘To Be’ AND Infinitive Used as Subject and Object
Principal Parts of ‘To Be’ Sum, esse, fui, futurus 1st 3 of the 4 Principal Parts - 1st person singular (present), infinitive, 1st person singular, perfect tense Stems How do we form the stem of the verb in present tense? To form the perfect stem: drop –i from 3rd part
Learning Targets • Recognize and know the future and perfect tense forms of the irregular verb meaning ‘to be’ • Gain an understanding of how the infinitive form of a verb can be used in a sentence. • Be able to translate a sentence using a ‘verbal noun’.
Present tense of ‘to be’ • Sum • ? • ? • Sumus • ? • ?
Future of ‘To Be’ • Hint – we use the word wIll when we talk about doing something in the future. The letter I is a key to remembering the future tense. ero erimus eris eritis erit erunt
Perfect of ‘To Be’sum, esse, fui, futurus fui fuimus fuisti fuistis fuit fuerunt
Infinitive Used as Subject • Which principal part of the verb is the infinitive? • The infinitive can be considered a ‘verbal noun’ (the form of a verb that can be used as a noun) • The infinitive, being a ‘verbal noun’ can be used as the subject of a sentence. • Ex. Errare est humanum (‘To err’ is human) • NOTE – the infinitive is not declined and is ALWAYS neuter (so any adjectives would be neuter as well).
Predicate Nominative • What is a predicate nominative? Give examples. • To have a predicate nominative in a sentence, what kind of verb must be used? • The infinitive, being a verbal noun, can be a predicate nominative. • Anything that can be the subject can be a predicate nominative. • Ex. To see is to believe – what is the subject? What is the predicate nominative?
Infinitive Used as Direct Object • The infinitive can be used as a direct object (since it is, after all, a ‘verbal noun’). Again, it is not declined, so you do not add the accusative case endings. • Ex. – She wants ‘to go’ to the mall. • Servos liberare parat. (He prepares ‘to free’ the slaves).
Objects of the ‘Verbal Nouns” • Servos liberare parat. • Being a ‘verbal noun’, the infinitive can also have an object; what word is the object of the infinitive in the above sentence? • Another example: Amicos habere est gratum. (To have friends is pleasing). What is the direct object of the infinitive?