I can altercate you can altercate he can altercate we can altercate you can altercate they can altercate
V-ing form
I can be altercating you can be altercating he can be altercating we can be altercating you can be altercating they can be altercating
Perfect
I can have altercated you can have altercated he can have altercated we can have altercated you can have altercated they can have altercated
V-ing perfect
I can have been altercating you can have been altercating he can have been altercating we can have been altercating you can have been altercating they can have been altercating
Negation
Simple form
I can't altercate you can't altercate he can't altercate we can't altercate you can't altercate they can't altercate
V-ing form
I can't be altercating you can't be altercating he can't be altercating we can't be altercating you can't be altercating they can't be altercating
Perfect
I can't have altercated you can't have altercated he can't have altercated we can't have altercated you can't have altercated they can't have altercated
V-ing perfect
I can't have been altercating you can't have been altercating he can't have been altercating we can't have been altercating you can't have been altercating they can't have been altercating
Interrogative form
Simple form
can I altercate? can you altercate? can he altercate? can we altercate? can you altercate? can they altercate?
V-ing form
can I be altercating? can you be altercating? can he be altercating? can we be altercating? can you be altercating? can they be altercating?
Perfect
can I have altercated? can you have altercated? can he have altercated? can we have altercated? can you have altercated? can they have altercated?
V-ing perfect
can I have been altercating? can you have been altercating? can he have been altercating? can we have been altercating? can you have been altercating? can they have been altercating?
Interro-negative form
Simple form
can't I altercate? can't you altercate? can't he altercate? can't we altercate? can't you altercate? can't they altercate?
V-ing form
can't I be altercating? can't you be altercating? can't he be altercating? can't we be altercating? can't you be altercating? can't they be altercating?
Perfect
can't I have altercated? can't you have altercated? can't he have altercated? can't we have altercated? can't you have altercated? can't they have altercated?
V-ing perfect
can't I have been altercating? can't you have been altercating? can't he have been altercating? can't we have been altercating? can't you have been altercating? can't they have been altercating?