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PERFECT FORMS (Inf forms (use inf. + to after some verbs (seem, believe,…
PERFECT FORMS
Inf forms
use inf. + to after some verbs
seem, believe, appear, ...
Perfect: [I seem to have lost my wallet]
Simple: [I seem to lose my keys every year]
will/ will have
refer to the present to talk aboiut what we believe
[- Where are you from? - You won't know it. You won't have heard of it.]
[Many people will have visited the city... fewer will be aware of...]
Participle Clauses
having + past participle
Present Perfect Simple
what?
smth started/ happened before now; a present result
Past Perfect Simple
what?
smth happened/ started before another event/ time in the past
to refer to hypothetical events in the past
[I wish I hadn't done it, but I did]
Future Perfect + other modals
will/ may/ should + have + past participle