must stouten
Regular verb: stouten - stoutened- stoutened

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

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

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

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