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