Perfect Infinitive сонымен қатар бір себептермен орындалмай қалған іс-қимылды (“unreal” past) кӛрсетеді:
I meant to have phoned, but I forgot.
He was to have been the new ambassador, but he fell ill.
Perfect Infinitive could, might, ought, should, would, need notмодальды етістіктерінен кейін орындалуы тиіс іс-қимылдың (unreal situations) орындалмай қалғанын білдіреді.
You should have written the composition. (The person didn‟t write).
I would have gone to university if my parents had had more money. (The speaker did not go to university).
You could have helped him. (The person did not help).
4. Perfect Continuous Infinitive Active – to have been + Ving – to have been doing, to have been watching.
I would like to have been sitting there when she walked in.
He is said to have been living in Astana. (They say that he has been / was living in Astana.)
The ship is thought to have returned to India.
5. Indefinite Infinitive Passive – to be + Past Participle – to be done, to be told.
There is a lot of work to be done.
She hopes to be chosen for the national team.
She loves to be loved.
6. Perfect Infinitive Passive – to have been Past Participle – to have been done.
You could have been killed.
Gauhar is fortunate to have been given a scholarship.
► Infinitive to демеулігімен Infinitive әдетте to демеулігімен қолданылады: to buy, to write, to run etc. Infinitive to демеулігімен келесі етістіктерден кейін қолданылады:
