English verb conjugation COULD HEADBUTT

Regular verb: headbutt - headbutted - headbutted

Affirmation

Simple form

I could headbutt
you could headbutt
he could headbutt
we could headbutt
you could headbutt
they could headbutt

V-ing form

I could be headbutting
you could be headbutting
he could be headbutting
we could be headbutting
you could be headbutting
they could be headbutting

Perfect

I could have headbutted
you could have headbutted
he could have headbutted
we could have headbutted
you could have headbutted
they could have headbutted

V-ing perfect

I could have been headbutting
you could have been headbutting
he could have been headbutting
we could have been headbutting
you could have been headbutting
they could have been headbutting

Negation

Simple form

I could not headbutt
you could not headbutt
he could not headbutt
we could not headbutt
you could not headbutt
they could not headbutt

V-ing form

I could not be headbutting
you could not be headbutting
he could not be headbutting
we could not be headbutting
you could not be headbutting
they could not be headbutting

Perfect

I could not have headbutted
you could not have headbutted
he could not have headbutted
we could not have headbutted
you could not have headbutted
they could not have headbutted

V-ing perfect

I could not have been headbutting
you could not have been headbutting
he could not have been headbutting
we could not have been headbutting
you could not have been headbutting
they could not have been headbutting

Interrogative form

Simple form

could I headbutt?
could you headbutt?
could he headbutt?
could we headbutt?
could you headbutt?
could they headbutt?

V-ing form

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

Perfect

could I have headbutted?
could you have headbutted?
could he have headbutted?
could we have headbutted?
could you have headbutted?
could they have headbutted?

V-ing perfect

could I have been headbutting?
could you have been headbutting?
could he have been headbutting?
could we have been headbutting?
could you have been headbutting?
could they have been headbutting?

Interro-negative form

Simple form

could I not headbutt?
could you not headbutt?
could he not headbutt?
could we not headbutt?
could you not headbutt?
could they not headbutt?

V-ing form

could I not be headbutting?
could you not be headbutting?
could he not be headbutting?
could we not be headbutting?
could you not be headbutting?
could they not be headbutting?

Perfect

could I not have headbutted?
could you not have headbutted?
could he not have headbutted?
could we not have headbutted?
could you not have headbutted?
could they not have headbutted?

V-ing perfect

could I not have been headbutting?
could you not have been headbutting?
could he not have been headbutting?
could we not have been headbutting?
could you not have been headbutting?
could they not have been headbutting?

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