must have use learn in sentence
Learn Verb Forms
| Base form (v1) |
Learn |
| Past form (v2) |
Learnt |
Past Participle (v3)
-ed form |
Learnt |
Present Participle (v4)
‘ing’ form |
Learning |
Present simple (v5)
s / es/ ies |
Learns |
MUST HAVE use -learn verb forms
POSITIVE STATEMENT:
I must have learnt
situation
We must have learnt
situation
You must have learnt
situation
They must have learnt
situation
He must have learnt
situation
She must have learnt
situation
It must have learnt
situation
Name must have learnt
situation
QUESTION:
must I have learnt
situation
?
must We have learnt
situation
?
must You have learnt
situation
?
must They have learnt
situation
?
must He have learnt
situation
?
must She have learnt
situation
?
must It have learnt
situation
?
must Name have learnt
situation
?
