English verb conjugation COULD EXTINGUISH

Regular verb: extinguish - extinguished - extinguished

Affirmation

Simple form

I could extinguish
you could extinguish
he could extinguish
we could extinguish
you could extinguish
they could extinguish

V-ing form

I could be extinguishing
you could be extinguishing
he could be extinguishing
we could be extinguishing
you could be extinguishing
they could be extinguishing

Perfect

I could have extinguished
you could have extinguished
he could have extinguished
we could have extinguished
you could have extinguished
they could have extinguished

V-ing perfect

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

Negation

Simple form

I could not extinguish
you could not extinguish
he could not extinguish
we could not extinguish
you could not extinguish
they could not extinguish

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I extinguish?
could you extinguish?
could he extinguish?
could we extinguish?
could you extinguish?
could they extinguish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top