could interflow
Regular verb: interflow - interflowed- interflowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could interflow
you could interflow
he could interflow
we could interflow
you could interflow
they could interflow 	I could be interflowing
you could be interflowing
he could be interflowing
we could be interflowing
you could be interflowing
they could be interflowing	I could have interflowed
you could have interflowed
he could have interflowed
we could have interflowed
you could have interflowed
they could have interflowed	I could have been interflowing
you could have been interflowing
he could have been interflowing
we could have been interflowing
you could have been interflowing
they could have been interflowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't interflow
you couldn't interflow
he couldn't interflow
we couldn't interflow
you couldn't interflow
they couldn't interflow 	I couldn't be interflowing
you couldn't be interflowing
he couldn't be interflowing
we couldn't be interflowing
you couldn't be interflowing
they couldn't be interflowing	I couldn't have interflowed
you couldn't have interflowed
he couldn't have interflowed
we couldn't have interflowed
you couldn't have interflowed
they couldn't have interflowed	I couldn't have been interflowing
you couldn't have been interflowing
he couldn't have been interflowing
we couldn't have been interflowing
you couldn't have been interflowing
they couldn't have been interflowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I interflow?
could you interflow?
could he interflow?
could we interflow?
could you interflow?
could they interflow? 	could I be interflowing?
could you be interflowing?
could he be interflowing?
could we be interflowing?
could you be interflowing?
could they be interflowing? 	could I have interflowed?
could you have interflowed?
could he have interflowed?
could we have interflowed?
could you have interflowed?
could they have interflowed? 	could I have been interflowing?
could you have been interflowing?
could he have been interflowing?
could we have been interflowing?
could you have been interflowing?
could they have been interflowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I interflow?
couldn't you interflow?
couldn't he interflow?
couldn't we interflow?
couldn't you interflow?
couldn't they interflow? 	couldn't I be interflowing?
couldn't you be interflowing?
couldn't he be interflowing?
couldn't we be interflowing?
couldn't you be interflowing?
couldn't they be interflowing? 	couldn't I have interflowed?
couldn't you have interflowed?
couldn't he have interflowed?
couldn't we have interflowed?
couldn't you have interflowed?
couldn't they have interflowed? 	couldn't I have been interflowing?
couldn't you have been interflowing?
couldn't he have been interflowing?
couldn't we have been interflowing?
couldn't you have been interflowing?
couldn't they have been interflowing?