English verb conjugation COULD LIVEN

Regular verb: liven - livened - livened


Affirmation

Simple form

I could liven
you could liven
he could liven
we could liven
you could liven
they could liven

V-ing form

I could be livening
you could be livening
he could be livening
we could be livening
you could be livening
they could be livening

Perfect

I could have livened
you could have livened
he could have livened
we could have livened
you could have livened
they could have livened

V-ing perfect

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

Negation

Simple form

I could not liven
you could not liven
he could not liven
we could not liven
you could not liven
they could not liven

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I liven?
could you liven?
could he liven?
could we liven?
could you liven?
could they liven?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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