must produce
Verbo regular: produce - produced- produced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must produce
you must produce
he must produce
we must produce
you must produce
they must produce 	I must be producing
you must be producing
he must be producing
we must be producing
you must be producing
they must be producing	I must have produced
you must have produced
he must have produced
we must have produced
you must have produced
they must have produced	I must have been producing
you must have been producing
he must have been producing
we must have been producing
you must have been producing
they must have been producing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not produce
you must not produce
he must not produce
we must not produce
you must not produce
they must not produce 	I must not be producing
you must not be producing
he must not be producing
we must not be producing
you must not be producing
they must not be producing	I must not have produced
you must not have produced
he must not have produced
we must not have produced
you must not have produced
they must not have produced	I must not have been producing
you must not have been producing
he must not have been producing
we must not have been producing
you must not have been producing
they must not have been producing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I produce?
must you produce?
must he produce?
must we produce?
must you produce?
must they produce? 	must I be producing?
must you be producing?
must he be producing?
must we be producing?
must you be producing?
must they be producing? 	must I have produced?
must you have produced?
must he have produced?
must we have produced?
must you have produced?
must they have produced? 	must I have been producing?
must you have been producing?
must he have been producing?
must we have been producing?
must you have been producing?
must they have been producing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not produce?
must you not produce?
must he not produce?
must we not produce?
must you not produce?
must they not produce? 	must I not be producing?
must you not be producing?
must he not be producing?
must we not be producing?
must you not be producing?
must they not be producing? 	must I not have produced?
must you not have produced?
must he not have produced?
must we not have produced?
must you not have produced?
must they not have produced? 	must I not have been producing?
must you not have been producing?
must he not have been producing?
must we not have been producing?
must you not have been producing?
must they not have been producing?