could outswim
Irregular verb: outswim - outswam- outswum

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could outswim
you could outswim
he could outswim
we could outswim
you could outswim
they could outswim 	I could be outswiming
you could be outswiming
he could be outswiming
we could be outswiming
you could be outswiming
they could be outswiming	I could have outswum
you could have outswum
he could have outswum
we could have outswum
you could have outswum
they could have outswum	I could have been outswiming
you could have been outswiming
he could have been outswiming
we could have been outswiming
you could have been outswiming
they could have been outswiming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't outswim
you couldn't outswim
he couldn't outswim
we couldn't outswim
you couldn't outswim
they couldn't outswim 	I couldn't be outswiming
you couldn't be outswiming
he couldn't be outswiming
we couldn't be outswiming
you couldn't be outswiming
they couldn't be outswiming	I couldn't have outswum
you couldn't have outswum
he couldn't have outswum
we couldn't have outswum
you couldn't have outswum
they couldn't have outswum	I couldn't have been outswiming
you couldn't have been outswiming
he couldn't have been outswiming
we couldn't have been outswiming
you couldn't have been outswiming
they couldn't have been outswiming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I outswim?
could you outswim?
could he outswim?
could we outswim?
could you outswim?
could they outswim? 	could I be outswiming?
could you be outswiming?
could he be outswiming?
could we be outswiming?
could you be outswiming?
could they be outswiming? 	could I have outswum?
could you have outswum?
could he have outswum?
could we have outswum?
could you have outswum?
could they have outswum? 	could I have been outswiming?
could you have been outswiming?
could he have been outswiming?
could we have been outswiming?
could you have been outswiming?
could they have been outswiming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I outswim?
couldn't you outswim?
couldn't he outswim?
couldn't we outswim?
couldn't you outswim?
couldn't they outswim? 	couldn't I be outswiming?
couldn't you be outswiming?
couldn't he be outswiming?
couldn't we be outswiming?
couldn't you be outswiming?
couldn't they be outswiming? 	couldn't I have outswum?
couldn't you have outswum?
couldn't he have outswum?
couldn't we have outswum?
couldn't you have outswum?
couldn't they have outswum? 	couldn't I have been outswiming?
couldn't you have been outswiming?
couldn't he have been outswiming?
couldn't we have been outswiming?
couldn't you have been outswiming?
couldn't they have been outswiming?