The Forms Of The Infinitive

The forms of the infinitive Indefinite

Active

Passive

To speak/open

Continuous Perfect

To be speaking/be opening To have spoken/have opened To have been speaking have been opening

To be spoken/be opened To have been spoken/ have been opened -

Perfect continuous

The syntactical functions of the infinitive -as a subject -a predicative -part of a compound verbal predicate -an object -an attribute -an adverbial modifier of purpose -an adverbial modifier of result

-an adverbial modifier of comparison (manner) -parenthesis

Bare infinitive is used after: - auxiliary verbs - modal verbs except ought. After dare you can use with or without to - verbs denoting sense perception - the verb to let - the verb to make in the meaning of to force someone to do something - the verb to have in the meaning to cause someone to do smth - the verb to bid - the verb to know when its meaning approaches that of to see, to observe. - the expressions had better, would rather, would sooner, cannot but, nothing but, cannot choose but

-The verb to be after to feel is used with the particle to -after the verbs to hear, to see, to make and to know in the passive voice, is used the infinitive with the particle to -after dare the infinitive is used without to especially in negative and interrogative sentences -help may be followed by the infinitive with or without to