I could abjure you could abjure he could abjure we could abjure you could abjure they could abjure
V-ing form
I could be abjuring you could be abjuring he could be abjuring we could be abjuring you could be abjuring they could be abjuring
Perfect
I could have abjured you could have abjured he 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 he could have been abjuring we could have been abjuring you could have been abjuring they could have been abjuring
Negation
Simple form
I couldn't abjure you couldn't abjure he couldn't abjure we couldn't abjure you couldn't abjure they couldn't abjure
V-ing form
I couldn't be abjuring you couldn't be abjuring he couldn't be abjuring we couldn't be abjuring you couldn't be abjuring they couldn't be abjuring
Perfect
I couldn't have abjured you couldn't have abjured he couldn't have abjured we couldn't have abjured you couldn't have abjured they couldn't have abjured
V-ing perfect
I couldn't have been abjuring you couldn't have been abjuring he couldn't have been abjuring we couldn't have been abjuring you couldn't have been abjuring they couldn't have been abjuring
Interrogative form
Simple form
could I abjure? could you abjure? could he abjure? could we abjure? could you abjure? could they abjure?
V-ing form
could I be abjuring? could you be abjuring? could he be abjuring? could we be abjuring? could you be abjuring? could they be abjuring?
Perfect
could I have abjured? could you have abjured? could he 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 he have been abjuring? could we have been abjuring? could you have been abjuring? could they have been abjuring?
Interro-negative form
Simple form
couldn't I abjure? couldn't you abjure? couldn't he abjure? couldn't we abjure? couldn't you abjure? couldn't they abjure?
V-ing form
couldn't I be abjuring? couldn't you be abjuring? couldn't he be abjuring? couldn't we be abjuring? couldn't you be abjuring? couldn't they be abjuring?
Perfect
couldn't I have abjured? couldn't you have abjured? couldn't he have abjured? couldn't we have abjured? couldn't you have abjured? couldn't they have abjured?
V-ing perfect
couldn't I have been abjuring? couldn't you have been abjuring? couldn't he have been abjuring? couldn't we have been abjuring? couldn't you have been abjuring? couldn't they have been abjuring?