could alarm
Regular verb: alarm - alarmed- alarmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could alarm
you could alarm
she could alarm
we could alarm
you could alarm
they could alarm 	I could be alarming
you could be alarming
she could be alarming
we could be alarming
you could be alarming
they could be alarming	I could have alarmed
you could have alarmed
she could have alarmed
we could have alarmed
you could have alarmed
they could have alarmed	I could have been alarming
you could have been alarming
she could have been alarming
we could have been alarming
you could have been alarming
they could have been alarming	

Negation 	
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I couldn't alarm
you couldn't alarm
she couldn't alarm
we couldn't alarm
you couldn't alarm
they couldn't alarm 	I couldn't be alarming
you couldn't be alarming
she couldn't be alarming
we couldn't be alarming
you couldn't be alarming
they couldn't be alarming	I couldn't have alarmed
you couldn't have alarmed
she couldn't have alarmed
we couldn't have alarmed
you couldn't have alarmed
they couldn't have alarmed	I couldn't have been alarming
you couldn't have been alarming
she couldn't have been alarming
we couldn't have been alarming
you couldn't have been alarming
they couldn't have been alarming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I alarm?
could you alarm?
could she alarm?
could we alarm?
could you alarm?
could they alarm? 	could I be alarming?
could you be alarming?
could she be alarming?
could we be alarming?
could you be alarming?
could they be alarming? 	could I have alarmed?
could you have alarmed?
could she have alarmed?
could we have alarmed?
could you have alarmed?
could they have alarmed? 	could I have been alarming?
could you have been alarming?
could she have been alarming?
could we have been alarming?
could you have been alarming?
could they have been alarming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I alarm?
couldn't you alarm?
couldn't she alarm?
couldn't we alarm?
couldn't you alarm?
couldn't they alarm? 	couldn't I be alarming?
couldn't you be alarming?
couldn't she be alarming?
couldn't we be alarming?
couldn't you be alarming?
couldn't they be alarming? 	couldn't I have alarmed?
couldn't you have alarmed?
couldn't she have alarmed?
couldn't we have alarmed?
couldn't you have alarmed?
couldn't they have alarmed? 	couldn't I have been alarming?
couldn't you have been alarming?
couldn't she have been alarming?
couldn't we have been alarming?
couldn't you have been alarming?
couldn't they have been alarming?