could stouten
Regular verb: stouten - stoutened- stoutened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could stouten
you could stouten
she could stouten
we could stouten
you could stouten
they could stouten 	I could be stoutening
you could be stoutening
she could be stoutening
we could be stoutening
you could be stoutening
they could be stoutening	I could have stoutened
you could have stoutened
she could have stoutened
we could have stoutened
you could have stoutened
they could have stoutened	I could have been stoutening
you could have been stoutening
she could have been stoutening
we could have been stoutening
you could have been stoutening
they could have been stoutening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not stouten
you could not stouten
she could not stouten
we could not stouten
you could not stouten
they could not stouten 	I could not be stoutening
you could not be stoutening
she could not be stoutening
we could not be stoutening
you could not be stoutening
they could not be stoutening	I could not have stoutened
you could not have stoutened
she could not have stoutened
we could not have stoutened
you could not have stoutened
they could not have stoutened	I could not have been stoutening
you could not have been stoutening
she could not have been stoutening
we could not have been stoutening
you could not have been stoutening
they could not have been stoutening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I stouten?
could you stouten?
could she stouten?
could we stouten?
could you stouten?
could they stouten? 	could I be stoutening?
could you be stoutening?
could she be stoutening?
could we be stoutening?
could you be stoutening?
could they be stoutening? 	could I have stoutened?
could you have stoutened?
could she have stoutened?
could we have stoutened?
could you have stoutened?
could they have stoutened? 	could I have been stoutening?
could you have been stoutening?
could she have been stoutening?
could we have been stoutening?
could you have been stoutening?
could they have been stoutening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not stouten?
could you not stouten?
could she not stouten?
could we not stouten?
could you not stouten?
could they not stouten? 	could I not be stoutening?
could you not be stoutening?
could she not be stoutening?
could we not be stoutening?
could you not be stoutening?
could they not be stoutening? 	could I not have stoutened?
could you not have stoutened?
could she not have stoutened?
could we not have stoutened?
could you not have stoutened?
could they not have stoutened? 	could I not have been stoutening?
could you not have been stoutening?
could she not have been stoutening?
could we not have been stoutening?
could you not have been stoutening?
could they not have been stoutening?