male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD THREATEN
Regular verb: threaten - threatened - threatened
Affirmation
Simple form
I could threatenyou could threaten
she could threaten
we could threaten
you could threaten
they could threaten
V-ing form
I could be threateningyou could be threatening
she could be threatening
we could be threatening
you could be threatening
they could be threatening
Perfect
I could have threatenedyou could have threatened
she could have threatened
we could have threatened
you could have threatened
they could have threatened
V-ing perfect
I could have been threateningyou could have been threatening
she could have been threatening
we could have been threatening
you could have been threatening
they could have been threatening
Negation
Simple form
I couldn't threatenyou couldn't threaten
she couldn't threaten
we couldn't threaten
you couldn't threaten
they couldn't threaten
V-ing form
I couldn't be threateningyou couldn't be threatening
she couldn't be threatening
we couldn't be threatening
you couldn't be threatening
they couldn't be threatening
Perfect
I couldn't have threatenedyou couldn't have threatened
she couldn't have threatened
we couldn't have threatened
you couldn't have threatened
they couldn't have threatened
V-ing perfect
I couldn't have been threateningyou couldn't have been threatening
she couldn't have been threatening
we couldn't have been threatening
you couldn't have been threatening
they couldn't have been threatening
Interrogative form
Simple form
could I threaten?could you threaten?
could she threaten?
could we threaten?
could you threaten?
could they threaten?
V-ing form
could I be threatening?could you be threatening?
could she be threatening?
could we be threatening?
could you be threatening?
could they be threatening?
Perfect
could I have threatened?could you have threatened?
could she have threatened?
could we have threatened?
could you have threatened?
could they have threatened?
V-ing perfect
could I have been threatening?could you have been threatening?
could she have been threatening?
could we have been threatening?
could you have been threatening?
could they have been threatening?
Interro-negative form
Simple form
couldn't I threaten?couldn't you threaten?
couldn't she threaten?
couldn't we threaten?
couldn't you threaten?
couldn't they threaten?
V-ing form
couldn't I be threatening?couldn't you be threatening?
couldn't she be threatening?
couldn't we be threatening?
couldn't you be threatening?
couldn't they be threatening?
Perfect
couldn't I have threatened?couldn't you have threatened?
couldn't she have threatened?
couldn't we have threatened?
couldn't you have threatened?
couldn't they have threatened?
V-ing perfect
couldn't I have been threatening?couldn't you have been threatening?
couldn't she have been threatening?
couldn't we have been threatening?
couldn't you have been threatening?
couldn't they have been threatening?