could spume
Regular verb: spume - spumed- spumed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could spume
you could spume
he could spume
we could spume
you could spume
they could spume 	I could be spuming
you could be spuming
he could be spuming
we could be spuming
you could be spuming
they could be spuming	I could have spumed
you could have spumed
he could have spumed
we could have spumed
you could have spumed
they could have spumed	I could have been spuming
you could have been spuming
he could have been spuming
we could have been spuming
you could have been spuming
they could have been spuming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't spume
you couldn't spume
he couldn't spume
we couldn't spume
you couldn't spume
they couldn't spume 	I couldn't be spuming
you couldn't be spuming
he couldn't be spuming
we couldn't be spuming
you couldn't be spuming
they couldn't be spuming	I couldn't have spumed
you couldn't have spumed
he couldn't have spumed
we couldn't have spumed
you couldn't have spumed
they couldn't have spumed	I couldn't have been spuming
you couldn't have been spuming
he couldn't have been spuming
we couldn't have been spuming
you couldn't have been spuming
they couldn't have been spuming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I spume?
could you spume?
could he spume?
could we spume?
could you spume?
could they spume? 	could I be spuming?
could you be spuming?
could he be spuming?
could we be spuming?
could you be spuming?
could they be spuming? 	could I have spumed?
could you have spumed?
could he have spumed?
could we have spumed?
could you have spumed?
could they have spumed? 	could I have been spuming?
could you have been spuming?
could he have been spuming?
could we have been spuming?
could you have been spuming?
could they have been spuming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I spume?
couldn't you spume?
couldn't he spume?
couldn't we spume?
couldn't you spume?
couldn't they spume? 	couldn't I be spuming?
couldn't you be spuming?
couldn't he be spuming?
couldn't we be spuming?
couldn't you be spuming?
couldn't they be spuming? 	couldn't I have spumed?
couldn't you have spumed?
couldn't he have spumed?
couldn't we have spumed?
couldn't you have spumed?
couldn't they have spumed? 	couldn't I have been spuming?
couldn't you have been spuming?
couldn't he have been spuming?
couldn't we have been spuming?
couldn't you have been spuming?
couldn't they have been spuming?