could sport
Regular verb: sport - sported- sported

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could sport
you could sport
he could sport
we could sport
you could sport
they could sport 	I could be sporting
you could be sporting
he could be sporting
we could be sporting
you could be sporting
they could be sporting	I could have sported
you could have sported
he could have sported
we could have sported
you could have sported
they could have sported	I could have been sporting
you could have been sporting
he could have been sporting
we could have been sporting
you could have been sporting
they could have been sporting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't sport
you couldn't sport
he couldn't sport
we couldn't sport
you couldn't sport
they couldn't sport 	I couldn't be sporting
you couldn't be sporting
he couldn't be sporting
we couldn't be sporting
you couldn't be sporting
they couldn't be sporting	I couldn't have sported
you couldn't have sported
he couldn't have sported
we couldn't have sported
you couldn't have sported
they couldn't have sported	I couldn't have been sporting
you couldn't have been sporting
he couldn't have been sporting
we couldn't have been sporting
you couldn't have been sporting
they couldn't have been sporting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I sport?
could you sport?
could he sport?
could we sport?
could you sport?
could they sport? 	could I be sporting?
could you be sporting?
could he be sporting?
could we be sporting?
could you be sporting?
could they be sporting? 	could I have sported?
could you have sported?
could he have sported?
could we have sported?
could you have sported?
could they have sported? 	could I have been sporting?
could you have been sporting?
could he have been sporting?
could we have been sporting?
could you have been sporting?
could they have been sporting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I sport?
couldn't you sport?
couldn't he sport?
couldn't we sport?
couldn't you sport?
couldn't they sport? 	couldn't I be sporting?
couldn't you be sporting?
couldn't he be sporting?
couldn't we be sporting?
couldn't you be sporting?
couldn't they be sporting? 	couldn't I have sported?
couldn't you have sported?
couldn't he have sported?
couldn't we have sported?
couldn't you have sported?
couldn't they have sported? 	couldn't I have been sporting?
couldn't you have been sporting?
couldn't he have been sporting?
couldn't we have been sporting?
couldn't you have been sporting?
couldn't they have been sporting?