English verb conjugation COULD TRILL

Regular verb: trill - trilled - trilled

Affirmation

Simple form

I could trill
you could trill
she could trill
we could trill
you could trill
they could trill

V-ing form

I could be trilling
you could be trilling
she could be trilling
we could be trilling
you could be trilling
they could be trilling

Perfect

I could have trilled
you could have trilled
she could have trilled
we could have trilled
you could have trilled
they could have trilled

V-ing perfect

I could have been trilling
you could have been trilling
she could have been trilling
we could have been trilling
you could have been trilling
they could have been trilling

Negation

Simple form

I could not trill
you could not trill
she could not trill
we could not trill
you could not trill
they could not trill

V-ing form

I could not be trilling
you could not be trilling
she could not be trilling
we could not be trilling
you could not be trilling
they could not be trilling

Perfect

I could not have trilled
you could not have trilled
she could not have trilled
we could not have trilled
you could not have trilled
they could not have trilled

V-ing perfect

I could not have been trilling
you could not have been trilling
she could not have been trilling
we could not have been trilling
you could not have been trilling
they could not have been trilling

Interrogative form

Simple form

could I trill?
could you trill?
could she trill?
could we trill?
could you trill?
could they trill?

V-ing form

could I be trilling?
could you be trilling?
could she be trilling?
could we be trilling?
could you be trilling?
could they be trilling?

Perfect

could I have trilled?
could you have trilled?
could she have trilled?
could we have trilled?
could you have trilled?
could they have trilled?

V-ing perfect

could I have been trilling?
could you have been trilling?
could she have been trilling?
could we have been trilling?
could you have been trilling?
could they have been trilling?

Interro-negative form

Simple form

could I not trill?
could you not trill?
could she not trill?
could we not trill?
could you not trill?
could they not trill?

V-ing form

could I not be trilling?
could you not be trilling?
could she not be trilling?
could we not be trilling?
could you not be trilling?
could they not be trilling?

Perfect

could I not have trilled?
could you not have trilled?
could she not have trilled?
could we not have trilled?
could you not have trilled?
could they not have trilled?

V-ing perfect

could I not have been trilling?
could you not have been trilling?
could she not have been trilling?
could we not have been trilling?
could you not have been trilling?
could they not have been trilling?

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