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