English verb conjugation COULD SCREECH

Regular verb: screech - screeched - screeched

Affirmation

Simple form

I could screech
you could screech
he could screech
we could screech
you could screech
they could screech

V-ing form

I could be screeching
you could be screeching
he could be screeching
we could be screeching
you could be screeching
they could be screeching

Perfect

I could have screeched
you could have screeched
he could have screeched
we could have screeched
you could have screeched
they could have screeched

V-ing perfect

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

Negation

Simple form

I could not screech
you could not screech
he could not screech
we could not screech
you could not screech
they could not screech

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I screech?
could you screech?
could he screech?
could we screech?
could you screech?
could they screech?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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