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