English verb conjugation COULD THREATEN

Regular verb: threaten - threatened - threatened

Affirmation

Simple form

I could threaten
you could threaten
he could threaten
we could threaten
you could threaten
they could threaten

V-ing form

I could be threatening
you could be threatening
he could be threatening
we could be threatening
you could be threatening
they could be threatening

Perfect

I could have threatened
you could have threatened
he could have threatened
we could have threatened
you could have threatened
they could have threatened

V-ing perfect

I could have been threatening
you could have been threatening
he 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 threaten
you couldn't threaten
he couldn't threaten
we couldn't threaten
you couldn't threaten
they couldn't threaten

V-ing form

I couldn't be threatening
you couldn't be threatening
he couldn't be threatening
we couldn't be threatening
you couldn't be threatening
they couldn't be threatening

Perfect

I couldn't have threatened
you couldn't have threatened
he 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 threatening
you couldn't have been threatening
he 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 he threaten?
could we threaten?
could you threaten?
could they threaten?

V-ing form

could I be threatening?
could you be threatening?
could he be threatening?
could we be threatening?
could you be threatening?
could they be threatening?

Perfect

could I have threatened?
could you have threatened?
could he 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 he 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 he 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 he 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 he 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 he have been threatening?
couldn't we have been threatening?
couldn't you have been threatening?
couldn't they have been threatening?

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