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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD BUBBLE

Regular verb: bubble - bubbled - bubbled


Affirmation

Simple form
I could bubble
you could bubble
she could bubble
we could bubble
you could bubble
they could bubble
V-ing form
I could be bubbling
you could be bubbling
she could be bubbling
we could be bubbling
you could be bubbling
they could be bubbling
Perfect
I could have bubbled
you could have bubbled
she could have bubbled
we could have bubbled
you could have bubbled
they could have bubbled
V-ing perfect
I could have been bubbling
you could have been bubbling
she could have been bubbling
we could have been bubbling
you could have been bubbling
they could have been bubbling

Negation

Simple form
I could not bubble
you could not bubble
she could not bubble
we could not bubble
you could not bubble
they could not bubble
V-ing form
I could not be bubbling
you could not be bubbling
she could not be bubbling
we could not be bubbling
you could not be bubbling
they could not be bubbling
Perfect
I could not have bubbled
you could not have bubbled
she could not have bubbled
we could not have bubbled
you could not have bubbled
they could not have bubbled
V-ing perfect
I could not have been bubbling
you could not have been bubbling
she could not have been bubbling
we could not have been bubbling
you could not have been bubbling
they could not have been bubbling

Interrogative form

Simple form
could I bubble?
could you bubble?
could she bubble?
could we bubble?
could you bubble?
could they bubble?
V-ing form
could I be bubbling?
could you be bubbling?
could she be bubbling?
could we be bubbling?
could you be bubbling?
could they be bubbling?
Perfect
could I have bubbled?
could you have bubbled?
could she have bubbled?
could we have bubbled?
could you have bubbled?
could they have bubbled?
V-ing perfect
could I have been bubbling?
could you have been bubbling?
could she have been bubbling?
could we have been bubbling?
could you have been bubbling?
could they have been bubbling?

Interro-negative form

Simple form
could I not bubble?
could you not bubble?
could she not bubble?
could we not bubble?
could you not bubble?
could they not bubble?
V-ing form
could I not be bubbling?
could you not be bubbling?
could she not be bubbling?
could we not be bubbling?
could you not be bubbling?
could they not be bubbling?
Perfect
could I not have bubbled?
could you not have bubbled?
could she not have bubbled?
could we not have bubbled?
could you not have bubbled?
could they not have bubbled?
V-ing perfect
could I not have been bubbling?
could you not have been bubbling?
could she not have been bubbling?
could we not have been bubbling?
could you not have been bubbling?
could they not have been bubbling?