could seep
Regular verb: seep - seeped- seeped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could seep
you could seep
he could seep
we could seep
you could seep
they could seep 	I could be seeping
you could be seeping
he could be seeping
we could be seeping
you could be seeping
they could be seeping	I could have seeped
you could have seeped
he could have seeped
we could have seeped
you could have seeped
they could have seeped	I could have been seeping
you could have been seeping
he could have been seeping
we could have been seeping
you could have been seeping
they could have been seeping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not seep
you could not seep
he could not seep
we could not seep
you could not seep
they could not seep 	I could not be seeping
you could not be seeping
he could not be seeping
we could not be seeping
you could not be seeping
they could not be seeping	I could not have seeped
you could not have seeped
he could not have seeped
we could not have seeped
you could not have seeped
they could not have seeped	I could not have been seeping
you could not have been seeping
he could not have been seeping
we could not have been seeping
you could not have been seeping
they could not have been seeping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I seep?
could you seep?
could he seep?
could we seep?
could you seep?
could they seep? 	could I be seeping?
could you be seeping?
could he be seeping?
could we be seeping?
could you be seeping?
could they be seeping? 	could I have seeped?
could you have seeped?
could he have seeped?
could we have seeped?
could you have seeped?
could they have seeped? 	could I have been seeping?
could you have been seeping?
could he have been seeping?
could we have been seeping?
could you have been seeping?
could they have been seeping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not seep?
could you not seep?
could he not seep?
could we not seep?
could you not seep?
could they not seep? 	could I not be seeping?
could you not be seeping?
could he not be seeping?
could we not be seeping?
could you not be seeping?
could they not be seeping? 	could I not have seeped?
could you not have seeped?
could he not have seeped?
could we not have seeped?
could you not have seeped?
could they not have seeped? 	could I not have been seeping?
could you not have been seeping?
could he not have been seeping?
could we not have been seeping?
could you not have been seeping?
could they not have been seeping?