I can amend you can amend he can amend we can amend you can amend they can amend
V-ing form
I can be amending you can be amending he can be amending we can be amending you can be amending they can be amending
Perfect
I can have amended you can have amended he can have amended we can have amended you can have amended they can have amended
V-ing perfect
I can have been amending you can have been amending he can have been amending we can have been amending you can have been amending they can have been amending
Negation
Simple form
I can't amend you can't amend he can't amend we can't amend you can't amend they can't amend
V-ing form
I can't be amending you can't be amending he can't be amending we can't be amending you can't be amending they can't be amending
Perfect
I can't have amended you can't have amended he can't have amended we can't have amended you can't have amended they can't have amended
V-ing perfect
I can't have been amending you can't have been amending he can't have been amending we can't have been amending you can't have been amending they can't have been amending
Interrogative form
Simple form
can I amend? can you amend? can he amend? can we amend? can you amend? can they amend?
V-ing form
can I be amending? can you be amending? can he be amending? can we be amending? can you be amending? can they be amending?
Perfect
can I have amended? can you have amended? can he have amended? can we have amended? can you have amended? can they have amended?
V-ing perfect
can I have been amending? can you have been amending? can he have been amending? can we have been amending? can you have been amending? can they have been amending?
Interro-negative form
Simple form
can't I amend? can't you amend? can't he amend? can't we amend? can't you amend? can't they amend?
V-ing form
can't I be amending? can't you be amending? can't he be amending? can't we be amending? can't you be amending? can't they be amending?
Perfect
can't I have amended? can't you have amended? can't he have amended? can't we have amended? can't you have amended? can't they have amended?
V-ing perfect
can't I have been amending? can't you have been amending? can't he have been amending? can't we have been amending? can't you have been amending? can't they have been amending?