I can amputate you can amputate he can amputate we can amputate you can amputate they can amputate
V-ing form
I can be amputating you can be amputating he can be amputating we can be amputating you can be amputating they can be amputating
Perfect
I can have amputated you can have amputated he can have amputated we can have amputated you can have amputated they can have amputated
V-ing perfect
I can have been amputating you can have been amputating he can have been amputating we can have been amputating you can have been amputating they can have been amputating
Negation
Simple form
I can't amputate you can't amputate he can't amputate we can't amputate you can't amputate they can't amputate
V-ing form
I can't be amputating you can't be amputating he can't be amputating we can't be amputating you can't be amputating they can't be amputating
Perfect
I can't have amputated you can't have amputated he can't have amputated we can't have amputated you can't have amputated they can't have amputated
V-ing perfect
I can't have been amputating you can't have been amputating he can't have been amputating we can't have been amputating you can't have been amputating they can't have been amputating
Interrogative form
Simple form
can I amputate? can you amputate? can he amputate? can we amputate? can you amputate? can they amputate?
V-ing form
can I be amputating? can you be amputating? can he be amputating? can we be amputating? can you be amputating? can they be amputating?
Perfect
can I have amputated? can you have amputated? can he have amputated? can we have amputated? can you have amputated? can they have amputated?
V-ing perfect
can I have been amputating? can you have been amputating? can he have been amputating? can we have been amputating? can you have been amputating? can they have been amputating?
Interro-negative form
Simple form
can't I amputate? can't you amputate? can't he amputate? can't we amputate? can't you amputate? can't they amputate?
V-ing form
can't I be amputating? can't you be amputating? can't he be amputating? can't we be amputating? can't you be amputating? can't they be amputating?
Perfect
can't I have amputated? can't you have amputated? can't he have amputated? can't we have amputated? can't you have amputated? can't they have amputated?
V-ing perfect
can't I have been amputating? can't you have been amputating? can't he have been amputating? can't we have been amputating? can't you have been amputating? can't they have been amputating?