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

English verb conjugation COULD ULCERATE

Regular verb: ulcerate - ulcerated - ulcerated


Affirmation

Simple form
I could ulcerate
you could ulcerate
she could ulcerate
we could ulcerate
you could ulcerate
they could ulcerate
V-ing form
I could be ulcerating
you could be ulcerating
she could be ulcerating
we could be ulcerating
you could be ulcerating
they could be ulcerating
Perfect
I could have ulcerated
you could have ulcerated
she could have ulcerated
we could have ulcerated
you could have ulcerated
they could have ulcerated
V-ing perfect
I could have been ulcerating
you could have been ulcerating
she could have been ulcerating
we could have been ulcerating
you could have been ulcerating
they could have been ulcerating

Negation

Simple form
I could not ulcerate
you could not ulcerate
she could not ulcerate
we could not ulcerate
you could not ulcerate
they could not ulcerate
V-ing form
I could not be ulcerating
you could not be ulcerating
she could not be ulcerating
we could not be ulcerating
you could not be ulcerating
they could not be ulcerating
Perfect
I could not have ulcerated
you could not have ulcerated
she could not have ulcerated
we could not have ulcerated
you could not have ulcerated
they could not have ulcerated
V-ing perfect
I could not have been ulcerating
you could not have been ulcerating
she could not have been ulcerating
we could not have been ulcerating
you could not have been ulcerating
they could not have been ulcerating

Interrogative form

Simple form
could I ulcerate?
could you ulcerate?
could she ulcerate?
could we ulcerate?
could you ulcerate?
could they ulcerate?
V-ing form
could I be ulcerating?
could you be ulcerating?
could she be ulcerating?
could we be ulcerating?
could you be ulcerating?
could they be ulcerating?
Perfect
could I have ulcerated?
could you have ulcerated?
could she have ulcerated?
could we have ulcerated?
could you have ulcerated?
could they have ulcerated?
V-ing perfect
could I have been ulcerating?
could you have been ulcerating?
could she have been ulcerating?
could we have been ulcerating?
could you have been ulcerating?
could they have been ulcerating?

Interro-negative form

Simple form
could I not ulcerate?
could you not ulcerate?
could she not ulcerate?
could we not ulcerate?
could you not ulcerate?
could they not ulcerate?
V-ing form
could I not be ulcerating?
could you not be ulcerating?
could she not be ulcerating?
could we not be ulcerating?
could you not be ulcerating?
could they not be ulcerating?
Perfect
could I not have ulcerated?
could you not have ulcerated?
could she not have ulcerated?
could we not have ulcerated?
could you not have ulcerated?
could they not have ulcerated?
V-ing perfect
could I not have been ulcerating?
could you not have been ulcerating?
could she not have been ulcerating?
could we not have been ulcerating?
could you not have been ulcerating?
could they not have been ulcerating?