must defog
Verbo regular: defog - defoged- defoged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must defog
you must defog
he must defog
we must defog
you must defog
they must defog 	I must be defoging
you must be defoging
he must be defoging
we must be defoging
you must be defoging
they must be defoging	I must have defoged
you must have defoged
he must have defoged
we must have defoged
you must have defoged
they must have defoged	I must have been defoging
you must have been defoging
he must have been defoging
we must have been defoging
you must have been defoging
they must have been defoging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not defog
you must not defog
he must not defog
we must not defog
you must not defog
they must not defog 	I must not be defoging
you must not be defoging
he must not be defoging
we must not be defoging
you must not be defoging
they must not be defoging	I must not have defoged
you must not have defoged
he must not have defoged
we must not have defoged
you must not have defoged
they must not have defoged	I must not have been defoging
you must not have been defoging
he must not have been defoging
we must not have been defoging
you must not have been defoging
they must not have been defoging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I defog?
must you defog?
must he defog?
must we defog?
must you defog?
must they defog? 	must I be defoging?
must you be defoging?
must he be defoging?
must we be defoging?
must you be defoging?
must they be defoging? 	must I have defoged?
must you have defoged?
must he have defoged?
must we have defoged?
must you have defoged?
must they have defoged? 	must I have been defoging?
must you have been defoging?
must he have been defoging?
must we have been defoging?
must you have been defoging?
must they have been defoging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not defog?
must you not defog?
must he not defog?
must we not defog?
must you not defog?
must they not defog? 	must I not be defoging?
must you not be defoging?
must he not be defoging?
must we not be defoging?
must you not be defoging?
must they not be defoging? 	must I not have defoged?
must you not have defoged?
must he not have defoged?
must we not have defoged?
must you not have defoged?
must they not have defoged? 	must I not have been defoging?
must you not have been defoging?
must he not have been defoging?
must we not have been defoging?
must you not have been defoging?
must they not have been defoging?