must have use undo in sentence
Undo Verb Forms
| Base form (v1) |
Undo |
| Past form (v2) |
Undid |
Past Participle (v3)
-ed form |
Undone |
Present Participle (v4)
‘ing’ form |
Undoing |
Present simple (v5)
s / es/ ies |
Undoes |
MUST HAVE use -undo verb forms
POSITIVE STATEMENT:
I must have undone
situation
We must have undone
situation
You must have undone
situation
They must have undone
situation
He must have undone
situation
She must have undone
situation
It must have undone
situation
Name must have undone
situation
QUESTION:
must I have undone
situation
?
must We have undone
situation
?
must You have undone
situation
?
must They have undone
situation
?
must He have undone
situation
?
must She have undone
situation
?
must It have undone
situation
?
must Name have undone
situation
?
