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 couldn't celebrate
you couldn't celebrate
he couldn't celebrate
we couldn't celebrate
you couldn't celebrate
they couldn't celebrate

V-ing form

I couldn't be celebrating
you couldn't be celebrating
he couldn't be celebrating
we couldn't be celebrating
you couldn't be celebrating
they couldn't be celebrating

Perfect

I couldn't have celebrated
you couldn't have celebrated
he couldn't have celebrated
we couldn't have celebrated
you couldn't have celebrated
they couldn't have celebrated

V-ing perfect

I couldn't have been celebrating
you couldn't have been celebrating
he couldn't have been celebrating
we couldn't have been celebrating
you couldn't have been celebrating
they couldn't 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

couldn't I celebrate?
couldn't you celebrate?
couldn't he celebrate?
couldn't we celebrate?
couldn't you celebrate?
couldn't they celebrate?

V-ing form

couldn't I be celebrating?
couldn't you be celebrating?
couldn't he be celebrating?
couldn't we be celebrating?
couldn't you be celebrating?
couldn't they be celebrating?

Perfect

couldn't I have celebrated?
couldn't you have celebrated?
couldn't he have celebrated?
couldn't we have celebrated?
couldn't you have celebrated?
couldn't they have celebrated?

V-ing perfect

couldn't I have been celebrating?
couldn't you have been celebrating?
couldn't he have been celebrating?
couldn't we have been celebrating?
couldn't you have been celebrating?
couldn't they have been celebrating?