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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD FRIGHTEN

Regular verb: frighten - frightened - frightened


Affirmation

Simple form
I could frighten
you could frighten
he could frighten
we could frighten
you could frighten
they could frighten
V-ing form
I could be frightening
you could be frightening
he could be frightening
we could be frightening
you could be frightening
they could be frightening
Perfect
I could have frightened
you could have frightened
he could have frightened
we could have frightened
you could have frightened
they could have frightened
V-ing perfect
I could have been frightening
you could have been frightening
he could have been frightening
we could have been frightening
you could have been frightening
they could have been frightening

Negation

Simple form
I couldn't frighten
you couldn't frighten
he couldn't frighten
we couldn't frighten
you couldn't frighten
they couldn't frighten
V-ing form
I couldn't be frightening
you couldn't be frightening
he couldn't be frightening
we couldn't be frightening
you couldn't be frightening
they couldn't be frightening
Perfect
I couldn't have frightened
you couldn't have frightened
he couldn't have frightened
we couldn't have frightened
you couldn't have frightened
they couldn't have frightened
V-ing perfect
I couldn't have been frightening
you couldn't have been frightening
he couldn't have been frightening
we couldn't have been frightening
you couldn't have been frightening
they couldn't have been frightening

Interrogative form

Simple form
could I frighten?
could you frighten?
could he frighten?
could we frighten?
could you frighten?
could they frighten?
V-ing form
could I be frightening?
could you be frightening?
could he be frightening?
could we be frightening?
could you be frightening?
could they be frightening?
Perfect
could I have frightened?
could you have frightened?
could he have frightened?
could we have frightened?
could you have frightened?
could they have frightened?
V-ing perfect
could I have been frightening?
could you have been frightening?
could he have been frightening?
could we have been frightening?
could you have been frightening?
could they have been frightening?

Interro-negative form

Simple form
couldn't I frighten?
couldn't you frighten?
couldn't he frighten?
couldn't we frighten?
couldn't you frighten?
couldn't they frighten?
V-ing form
couldn't I be frightening?
couldn't you be frightening?
couldn't he be frightening?
couldn't we be frightening?
couldn't you be frightening?
couldn't they be frightening?
Perfect
couldn't I have frightened?
couldn't you have frightened?
couldn't he have frightened?
couldn't we have frightened?
couldn't you have frightened?
couldn't they have frightened?
V-ing perfect
couldn't I have been frightening?
couldn't you have been frightening?
couldn't he have been frightening?
couldn't we have been frightening?
couldn't you have been frightening?
couldn't they have been frightening?