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