must stucco
Regular verb: stucco - stuccoed- stuccoed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must stucco
you must stucco
he must stucco
we must stucco
you must stucco
they must stucco 	I must be stuccoing
you must be stuccoing
he must be stuccoing
we must be stuccoing
you must be stuccoing
they must be stuccoing	I must have stuccoed
you must have stuccoed
he must have stuccoed
we must have stuccoed
you must have stuccoed
they must have stuccoed	I must have been stuccoing
you must have been stuccoing
he must have been stuccoing
we must have been stuccoing
you must have been stuccoing
they must have been stuccoing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not stucco
you must not stucco
he must not stucco
we must not stucco
you must not stucco
they must not stucco 	I must not be stuccoing
you must not be stuccoing
he must not be stuccoing
we must not be stuccoing
you must not be stuccoing
they must not be stuccoing	I must not have stuccoed
you must not have stuccoed
he must not have stuccoed
we must not have stuccoed
you must not have stuccoed
they must not have stuccoed	I must not have been stuccoing
you must not have been stuccoing
he must not have been stuccoing
we must not have been stuccoing
you must not have been stuccoing
they must not have been stuccoing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I stucco?
must you stucco?
must he stucco?
must we stucco?
must you stucco?
must they stucco? 	must I be stuccoing?
must you be stuccoing?
must he be stuccoing?
must we be stuccoing?
must you be stuccoing?
must they be stuccoing? 	must I have stuccoed?
must you have stuccoed?
must he have stuccoed?
must we have stuccoed?
must you have stuccoed?
must they have stuccoed? 	must I have been stuccoing?
must you have been stuccoing?
must he have been stuccoing?
must we have been stuccoing?
must you have been stuccoing?
must they have been stuccoing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not stucco?
must you not stucco?
must he not stucco?
must we not stucco?
must you not stucco?
must they not stucco? 	must I not be stuccoing?
must you not be stuccoing?
must he not be stuccoing?
must we not be stuccoing?
must you not be stuccoing?
must they not be stuccoing? 	must I not have stuccoed?
must you not have stuccoed?
must he not have stuccoed?
must we not have stuccoed?
must you not have stuccoed?
must they not have stuccoed? 	must I not have been stuccoing?
must you not have been stuccoing?
must he not have been stuccoing?
must we not have been stuccoing?
must you not have been stuccoing?
must they not have been stuccoing?