PERFECT INFINITIVESVersión en línea ORDER THE DIFFERENT USES OF THE PERFECT INFINITIVES TO THE CORRECT CATEGORY. por Eunice Mendoza 1 PERFECT INFINITIVE 2 PERFECT CONTINUOUS INFINITIVE 3 PASSIVE PERFECT INFINITIVE We form the _____ with to have + the -ed form of a verb. We use _____ after verbs such as claim, expect, hate, hope, like, love, prefer, pretend. Sometimes we use a _____ to refer to something that might have happened in the past → He claims to have been the best student in his class when he was at school Sometimes we use a _____ to refer to something we think will be completed at a certain point in the future → We expect to have finished the building work before the end of the year. We can use _____ in a clause with a verb that has no subject (a non-finite clause). It can refer to events which happened in the past → To have finished a marathon was, in itself, a great achievement It can be used to refer to events that might have happened (but did not happen) → To have completed a marathon would have been a great achievement but he was satisfied with getting round just half the course The _____ is formed by to have + been + verb+ing. It is used in the same way as the perfect infinitive, but the continuous form is used for actions and situations that happened, or might have happened, over a period of time. They seemed to have been arguing as their faces were red with rage He claims to have been doing the gardening all day. The _____ is formed to have + been + past participle. The machine was supposed to have been repaired. It is believed to have been built some time in the early twelfth century.
Crear