Perfect Infinitive with Modal verbs or Modal Perfect.ppt
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7/27/2019 Perfect Infinitive with Modal verbs or Modal Perfect.ppt
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Perfect Infinitive with Modal
verbs or Modal Perfect
October, 2012
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Form:
Modal verb + have + past participle
e.g. There is some blood in the
sink. He must have hurt himself in
the garden.
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Use:
- to refer to the past;
- to refer to unreal situations;- to show that the activity was
different from what we wanted.
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> could have done could have done (2) must have done cant have done
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> may/might have done should have done would have done
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