English verb conjugation COULD CELEBRATE

Regular verb: celebrate - celebrated - celebrated

Affirmation

Simple form

I could celebrate
you could celebrate
he could celebrate
we could celebrate
you could celebrate
they could celebrate

V-ing form

I could be celebrating
you could be celebrating
he could be celebrating
we could be celebrating
you could be celebrating
they could be celebrating

Perfect

I could have celebrated
you could have celebrated
he could have celebrated
we could have celebrated
you could have celebrated
they could have celebrated

V-ing perfect

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

Negation

Simple form

I could not celebrate
you could not celebrate
he could not celebrate
we could not celebrate
you could not celebrate
they could not celebrate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I celebrate?
could you celebrate?
could he celebrate?
could we celebrate?
could you celebrate?
could they celebrate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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