I could abjure you could abjure she could abjure we could abjure you could abjure they could abjure
V-ing form
I could be abjuring you could be abjuring she could be abjuring we could be abjuring you could be abjuring they could be abjuring
Perfect
I could have abjured you could have abjured she could have abjured we could have abjured you could have abjured they could have abjured
V-ing perfect
I could have been abjuring you could have been abjuring she could have been abjuring we could have been abjuring you could have been abjuring they could have been abjuring
Negation
Simple form
I could not abjure you could not abjure she could not abjure we could not abjure you could not abjure they could not abjure
V-ing form
I could not be abjuring you could not be abjuring she could not be abjuring we could not be abjuring you could not be abjuring they could not be abjuring
Perfect
I could not have abjured you could not have abjured she could not have abjured we could not have abjured you could not have abjured they could not have abjured
V-ing perfect
I could not have been abjuring you could not have been abjuring she could not have been abjuring we could not have been abjuring you could not have been abjuring they could not have been abjuring
Interrogative form
Simple form
could I abjure? could you abjure? could she abjure? could we abjure? could you abjure? could they abjure?
V-ing form
could I be abjuring? could you be abjuring? could she be abjuring? could we be abjuring? could you be abjuring? could they be abjuring?
Perfect
could I have abjured? could you have abjured? could she have abjured? could we have abjured? could you have abjured? could they have abjured?
V-ing perfect
could I have been abjuring? could you have been abjuring? could she have been abjuring? could we have been abjuring? could you have been abjuring? could they have been abjuring?
Interro-negative form
Simple form
could I not abjure? could you not abjure? could she not abjure? could we not abjure? could you not abjure? could they not abjure?
V-ing form
could I not be abjuring? could you not be abjuring? could she not be abjuring? could we not be abjuring? could you not be abjuring? could they not be abjuring?
Perfect
could I not have abjured? could you not have abjured? could she not have abjured? could we not have abjured? could you not have abjured? could they not have abjured?
V-ing perfect
could I not have been abjuring? could you not have been abjuring? could she not have been abjuring? could we not have been abjuring? could you not have been abjuring? could they not have been abjuring?