The only finite verb in the sentence, and the principal one.
It should not, strictly speaking, be rendered with a finite verb.
Using these as auxiliaries the finite verb makes a whole series of periphrastic tenses.
The absolute time of the action of a participle, therefore, is determined entirely by the finite verb with which it is connected.
It is difficult to convey the force of the infinitives in combination with participles and the finite verb in ver.
(a) The nominative, as in Modern English, is the case of the subject of a finite verb.