English verb conjugation COULD SUFFIX

Regular verb: suffix - suffixed - suffixed

Affirmation

Simple form

I could suffix
you could suffix
she could suffix
we could suffix
you could suffix
they could suffix

V-ing form

I could be suffixing
you could be suffixing
she could be suffixing
we could be suffixing
you could be suffixing
they could be suffixing

Perfect

I could have suffixed
you could have suffixed
she could have suffixed
we could have suffixed
you could have suffixed
they could have suffixed

V-ing perfect

I could have been suffixing
you could have been suffixing
she could have been suffixing
we could have been suffixing
you could have been suffixing
they could have been suffixing

Negation

Simple form

I could not suffix
you could not suffix
she could not suffix
we could not suffix
you could not suffix
they could not suffix

V-ing form

I could not be suffixing
you could not be suffixing
she could not be suffixing
we could not be suffixing
you could not be suffixing
they could not be suffixing

Perfect

I could not have suffixed
you could not have suffixed
she could not have suffixed
we could not have suffixed
you could not have suffixed
they could not have suffixed

V-ing perfect

I could not have been suffixing
you could not have been suffixing
she could not have been suffixing
we could not have been suffixing
you could not have been suffixing
they could not have been suffixing

Interrogative form

Simple form

could I suffix?
could you suffix?
could she suffix?
could we suffix?
could you suffix?
could they suffix?

V-ing form

could I be suffixing?
could you be suffixing?
could she be suffixing?
could we be suffixing?
could you be suffixing?
could they be suffixing?

Perfect

could I have suffixed?
could you have suffixed?
could she have suffixed?
could we have suffixed?
could you have suffixed?
could they have suffixed?

V-ing perfect

could I have been suffixing?
could you have been suffixing?
could she have been suffixing?
could we have been suffixing?
could you have been suffixing?
could they have been suffixing?

Interro-negative form

Simple form

could I not suffix?
could you not suffix?
could she not suffix?
could we not suffix?
could you not suffix?
could they not suffix?

V-ing form

could I not be suffixing?
could you not be suffixing?
could she not be suffixing?
could we not be suffixing?
could you not be suffixing?
could they not be suffixing?

Perfect

could I not have suffixed?
could you not have suffixed?
could she not have suffixed?
could we not have suffixed?
could you not have suffixed?
could they not have suffixed?

V-ing perfect

could I not have been suffixing?
could you not have been suffixing?
could she not have been suffixing?
could we not have been suffixing?
could you not have been suffixing?
could they not have been suffixing?

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