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

English verb conjugation COULD ALTERNATE

Regular verb: alternate - alternated - alternated


Affirmation

Simple form
I could alternate
you could alternate
she could alternate
we could alternate
you could alternate
they could alternate
V-ing form
I could be alternating
you could be alternating
she could be alternating
we could be alternating
you could be alternating
they could be alternating
Perfect
I could have alternated
you could have alternated
she could have alternated
we could have alternated
you could have alternated
they could have alternated
V-ing perfect
I could have been alternating
you could have been alternating
she could have been alternating
we could have been alternating
you could have been alternating
they could have been alternating

Negation

Simple form
I could not alternate
you could not alternate
she could not alternate
we could not alternate
you could not alternate
they could not alternate
V-ing form
I could not be alternating
you could not be alternating
she could not be alternating
we could not be alternating
you could not be alternating
they could not be alternating
Perfect
I could not have alternated
you could not have alternated
she could not have alternated
we could not have alternated
you could not have alternated
they could not have alternated
V-ing perfect
I could not have been alternating
you could not have been alternating
she could not have been alternating
we could not have been alternating
you could not have been alternating
they could not have been alternating

Interrogative form

Simple form
could I alternate?
could you alternate?
could she alternate?
could we alternate?
could you alternate?
could they alternate?
V-ing form
could I be alternating?
could you be alternating?
could she be alternating?
could we be alternating?
could you be alternating?
could they be alternating?
Perfect
could I have alternated?
could you have alternated?
could she have alternated?
could we have alternated?
could you have alternated?
could they have alternated?
V-ing perfect
could I have been alternating?
could you have been alternating?
could she have been alternating?
could we have been alternating?
could you have been alternating?
could they have been alternating?

Interro-negative form

Simple form
could I not alternate?
could you not alternate?
could she not alternate?
could we not alternate?
could you not alternate?
could they not alternate?
V-ing form
could I not be alternating?
could you not be alternating?
could she not be alternating?
could we not be alternating?
could you not be alternating?
could they not be alternating?
Perfect
could I not have alternated?
could you not have alternated?
could she not have alternated?
could we not have alternated?
could you not have alternated?
could they not have alternated?
V-ing perfect
could I not have been alternating?
could you not have been alternating?
could she not have been alternating?
could we not have been alternating?
could you not have been alternating?
could they not have been alternating?