could toss
Regular verb: toss - tossed- tossed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could toss
you could toss
she could toss
we could toss
you could toss
they could toss 	I could be tossing
you could be tossing
she could be tossing
we could be tossing
you could be tossing
they could be tossing	I could have tossed
you could have tossed
she could have tossed
we could have tossed
you could have tossed
they could have tossed	I could have been tossing
you could have been tossing
she could have been tossing
we could have been tossing
you could have been tossing
they could have been tossing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not toss
you could not toss
she could not toss
we could not toss
you could not toss
they could not toss 	I could not be tossing
you could not be tossing
she could not be tossing
we could not be tossing
you could not be tossing
they could not be tossing	I could not have tossed
you could not have tossed
she could not have tossed
we could not have tossed
you could not have tossed
they could not have tossed	I could not have been tossing
you could not have been tossing
she could not have been tossing
we could not have been tossing
you could not have been tossing
they could not have been tossing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I toss?
could you toss?
could she toss?
could we toss?
could you toss?
could they toss? 	could I be tossing?
could you be tossing?
could she be tossing?
could we be tossing?
could you be tossing?
could they be tossing? 	could I have tossed?
could you have tossed?
could she have tossed?
could we have tossed?
could you have tossed?
could they have tossed? 	could I have been tossing?
could you have been tossing?
could she have been tossing?
could we have been tossing?
could you have been tossing?
could they have been tossing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not toss?
could you not toss?
could she not toss?
could we not toss?
could you not toss?
could they not toss? 	could I not be tossing?
could you not be tossing?
could she not be tossing?
could we not be tossing?
could you not be tossing?
could they not be tossing? 	could I not have tossed?
could you not have tossed?
could she not have tossed?
could we not have tossed?
could you not have tossed?
could they not have tossed? 	could I not have been tossing?
could you not have been tossing?
could she not have been tossing?
could we not have been tossing?
could you not have been tossing?
could they not have been tossing?