I can avenge you can avenge he can avenge we can avenge you can avenge they can avenge
V-ing form
I can be avenging you can be avenging he can be avenging we can be avenging you can be avenging they can be avenging
Perfect
I can have avenged you can have avenged he can have avenged we can have avenged you can have avenged they can have avenged
V-ing perfect
I can have been avenging you can have been avenging he can have been avenging we can have been avenging you can have been avenging they can have been avenging
Negation
Simple form
I can't avenge you can't avenge he can't avenge we can't avenge you can't avenge they can't avenge
V-ing form
I can't be avenging you can't be avenging he can't be avenging we can't be avenging you can't be avenging they can't be avenging
Perfect
I can't have avenged you can't have avenged he can't have avenged we can't have avenged you can't have avenged they can't have avenged
V-ing perfect
I can't have been avenging you can't have been avenging he can't have been avenging we can't have been avenging you can't have been avenging they can't have been avenging
Interrogative form
Simple form
can I avenge? can you avenge? can he avenge? can we avenge? can you avenge? can they avenge?
V-ing form
can I be avenging? can you be avenging? can he be avenging? can we be avenging? can you be avenging? can they be avenging?
Perfect
can I have avenged? can you have avenged? can he have avenged? can we have avenged? can you have avenged? can they have avenged?
V-ing perfect
can I have been avenging? can you have been avenging? can he have been avenging? can we have been avenging? can you have been avenging? can they have been avenging?
Interro-negative form
Simple form
can't I avenge? can't you avenge? can't he avenge? can't we avenge? can't you avenge? can't they avenge?
V-ing form
can't I be avenging? can't you be avenging? can't he be avenging? can't we be avenging? can't you be avenging? can't they be avenging?
Perfect
can't I have avenged? can't you have avenged? can't he have avenged? can't we have avenged? can't you have avenged? can't they have avenged?
V-ing perfect
can't I have been avenging? can't you have been avenging? can't he have been avenging? can't we have been avenging? can't you have been avenging? can't they have been avenging?