English verb conjugation COULD DEFINE

Regular verb: define - defined - defined


Affirmation

Simple form

I could define
you could define
he could define
we could define
you could define
they could define

V-ing form

I could be defining
you could be defining
he could be defining
we could be defining
you could be defining
they could be defining

Perfect

I could have defined
you could have defined
he could have defined
we could have defined
you could have defined
they could have defined

V-ing perfect

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

Negation

Simple form

I could not define
you could not define
he could not define
we could not define
you could not define
they could not define

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I define?
could you define?
could he define?
could we define?
could you define?
could they define?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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