I can calm you can calm she can calm we can calm you can calm they can calm
V-ing form
I can be calming you can be calming she can be calming we can be calming you can be calming they can be calming
Perfect
I can have calmed you can have calmed she can have calmed we can have calmed you can have calmed they can have calmed
V-ing perfect
I can have been calming you can have been calming she can have been calming we can have been calming you can have been calming they can have been calming
Negation
Simple form
I can't calm you can't calm she can't calm we can't calm you can't calm they can't calm
V-ing form
I can't be calming you can't be calming she can't be calming we can't be calming you can't be calming they can't be calming
Perfect
I can't have calmed you can't have calmed she can't have calmed we can't have calmed you can't have calmed they can't have calmed
V-ing perfect
I can't have been calming you can't have been calming she can't have been calming we can't have been calming you can't have been calming they can't have been calming
Interrogative form
Simple form
can I calm? can you calm? can she calm? can we calm? can you calm? can they calm?
V-ing form
can I be calming? can you be calming? can she be calming? can we be calming? can you be calming? can they be calming?
Perfect
can I have calmed? can you have calmed? can she have calmed? can we have calmed? can you have calmed? can they have calmed?
V-ing perfect
can I have been calming? can you have been calming? can she have been calming? can we have been calming? can you have been calming? can they have been calming?
Interro-negative form
Simple form
can't I calm? can't you calm? can't she calm? can't we calm? can't you calm? can't they calm?
V-ing form
can't I be calming? can't you be calming? can't she be calming? can't we be calming? can't you be calming? can't they be calming?
Perfect
can't I have calmed? can't you have calmed? can't she have calmed? can't we have calmed? can't you have calmed? can't they have calmed?
V-ing perfect
can't I have been calming? can't you have been calming? can't she have been calming? can't we have been calming? can't you have been calming? can't they have been calming?