I can alarm you can alarm he can alarm we can alarm you can alarm they can alarm
V-ing form
I can be alarming you can be alarming he can be alarming we can be alarming you can be alarming they can be alarming
Perfect
I can have alarmed you can have alarmed he can have alarmed we can have alarmed you can have alarmed they can have alarmed
V-ing perfect
I can have been alarming you can have been alarming he can have been alarming we can have been alarming you can have been alarming they can have been alarming
Negation
Simple form
I can't alarm you can't alarm he can't alarm we can't alarm you can't alarm they can't alarm
V-ing form
I can't be alarming you can't be alarming he can't be alarming we can't be alarming you can't be alarming they can't be alarming
Perfect
I can't have alarmed you can't have alarmed he can't have alarmed we can't have alarmed you can't have alarmed they can't have alarmed
V-ing perfect
I can't have been alarming you can't have been alarming he can't have been alarming we can't have been alarming you can't have been alarming they can't have been alarming
Interrogative form
Simple form
can I alarm? can you alarm? can he alarm? can we alarm? can you alarm? can they alarm?
V-ing form
can I be alarming? can you be alarming? can he be alarming? can we be alarming? can you be alarming? can they be alarming?
Perfect
can I have alarmed? can you have alarmed? can he have alarmed? can we have alarmed? can you have alarmed? can they have alarmed?
V-ing perfect
can I have been alarming? can you have been alarming? can he have been alarming? can we have been alarming? can you have been alarming? can they have been alarming?
Interro-negative form
Simple form
can't I alarm? can't you alarm? can't he alarm? can't we alarm? can't you alarm? can't they alarm?
V-ing form
can't I be alarming? can't you be alarming? can't he be alarming? can't we be alarming? can't you be alarming? can't they be alarming?
Perfect
can't I have alarmed? can't you have alarmed? can't he have alarmed? can't we have alarmed? can't you have alarmed? can't they have alarmed?
V-ing perfect
can't I have been alarming? can't you have been alarming? can't he have been alarming? can't we have been alarming? can't you have been alarming? can't they have been alarming?