English verb conjugation COULD SCINTILLATE

Regular verb: scintillate - scintillated - scintillated

Affirmation

Simple form

I could scintillate
you could scintillate
he could scintillate
we could scintillate
you could scintillate
they could scintillate

V-ing form

I could be scintillating
you could be scintillating
he could be scintillating
we could be scintillating
you could be scintillating
they could be scintillating

Perfect

I could have scintillated
you could have scintillated
he could have scintillated
we could have scintillated
you could have scintillated
they could have scintillated

V-ing perfect

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

Negation

Simple form

I could not scintillate
you could not scintillate
he could not scintillate
we could not scintillate
you could not scintillate
they could not scintillate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I scintillate?
could you scintillate?
could he scintillate?
could we scintillate?
could you scintillate?
could they scintillate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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