could brim
Regular verb: brim - brimmed- brimmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could brim
you could brim
he could brim
we could brim
you could brim
they could brim 	I could be brimming
you could be brimming
he could be brimming
we could be brimming
you could be brimming
they could be brimming	I could have brimmed
you could have brimmed
he could have brimmed
we could have brimmed
you could have brimmed
they could have brimmed	I could have been brimming
you could have been brimming
he could have been brimming
we could have been brimming
you could have been brimming
they could have been brimming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't brim
you couldn't brim
he couldn't brim
we couldn't brim
you couldn't brim
they couldn't brim 	I couldn't be brimming
you couldn't be brimming
he couldn't be brimming
we couldn't be brimming
you couldn't be brimming
they couldn't be brimming	I couldn't have brimmed
you couldn't have brimmed
he couldn't have brimmed
we couldn't have brimmed
you couldn't have brimmed
they couldn't have brimmed	I couldn't have been brimming
you couldn't have been brimming
he couldn't have been brimming
we couldn't have been brimming
you couldn't have been brimming
they couldn't have been brimming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I brim?
could you brim?
could he brim?
could we brim?
could you brim?
could they brim? 	could I be brimming?
could you be brimming?
could he be brimming?
could we be brimming?
could you be brimming?
could they be brimming? 	could I have brimmed?
could you have brimmed?
could he have brimmed?
could we have brimmed?
could you have brimmed?
could they have brimmed? 	could I have been brimming?
could you have been brimming?
could he have been brimming?
could we have been brimming?
could you have been brimming?
could they have been brimming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I brim?
couldn't you brim?
couldn't he brim?
couldn't we brim?
couldn't you brim?
couldn't they brim? 	couldn't I be brimming?
couldn't you be brimming?
couldn't he be brimming?
couldn't we be brimming?
couldn't you be brimming?
couldn't they be brimming? 	couldn't I have brimmed?
couldn't you have brimmed?
couldn't he have brimmed?
couldn't we have brimmed?
couldn't you have brimmed?
couldn't they have brimmed? 	couldn't I have been brimming?
couldn't you have been brimming?
couldn't he have been brimming?
couldn't we have been brimming?
couldn't you have been brimming?
couldn't they have been brimming?