could spruce
Regular verb: spruce - spruced- spruced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could spruce
you could spruce
he could spruce
we could spruce
you could spruce
they could spruce 	I could be sprucing
you could be sprucing
he could be sprucing
we could be sprucing
you could be sprucing
they could be sprucing	I could have spruced
you could have spruced
he could have spruced
we could have spruced
you could have spruced
they could have spruced	I could have been sprucing
you could have been sprucing
he could have been sprucing
we could have been sprucing
you could have been sprucing
they could have been sprucing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't spruce
you couldn't spruce
he couldn't spruce
we couldn't spruce
you couldn't spruce
they couldn't spruce 	I couldn't be sprucing
you couldn't be sprucing
he couldn't be sprucing
we couldn't be sprucing
you couldn't be sprucing
they couldn't be sprucing	I couldn't have spruced
you couldn't have spruced
he couldn't have spruced
we couldn't have spruced
you couldn't have spruced
they couldn't have spruced	I couldn't have been sprucing
you couldn't have been sprucing
he couldn't have been sprucing
we couldn't have been sprucing
you couldn't have been sprucing
they couldn't have been sprucing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I spruce?
could you spruce?
could he spruce?
could we spruce?
could you spruce?
could they spruce? 	could I be sprucing?
could you be sprucing?
could he be sprucing?
could we be sprucing?
could you be sprucing?
could they be sprucing? 	could I have spruced?
could you have spruced?
could he have spruced?
could we have spruced?
could you have spruced?
could they have spruced? 	could I have been sprucing?
could you have been sprucing?
could he have been sprucing?
could we have been sprucing?
could you have been sprucing?
could they have been sprucing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I spruce?
couldn't you spruce?
couldn't he spruce?
couldn't we spruce?
couldn't you spruce?
couldn't they spruce? 	couldn't I be sprucing?
couldn't you be sprucing?
couldn't he be sprucing?
couldn't we be sprucing?
couldn't you be sprucing?
couldn't they be sprucing? 	couldn't I have spruced?
couldn't you have spruced?
couldn't he have spruced?
couldn't we have spruced?
couldn't you have spruced?
couldn't they have spruced? 	couldn't I have been sprucing?
couldn't you have been sprucing?
couldn't he have been sprucing?
couldn't we have been sprucing?
couldn't you have been sprucing?
couldn't they have been sprucing?