can calm
Regular verb: calm - calmed- calmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can calm
you can calm
he can calm
we can calm
you can calm
they can calm 	I can be calming
you can be calming
he can be calming
we can be calming
you can be calming
they can be calming	I can have calmed
you can have calmed
he can have calmed
we can have calmed
you can have calmed
they can have calmed	I can have been calming
you can have been calming
he can have been calming
we can have been calming
you can have been calming
they can have been calming	

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

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