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