must schmear
Verbo regular: schmear - schmeared- schmeared

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must schmear
you must schmear
he must schmear
we must schmear
you must schmear
they must schmear 	I must be schmearing
you must be schmearing
he must be schmearing
we must be schmearing
you must be schmearing
they must be schmearing	I must have schmeared
you must have schmeared
he must have schmeared
we must have schmeared
you must have schmeared
they must have schmeared	I must have been schmearing
you must have been schmearing
he must have been schmearing
we must have been schmearing
you must have been schmearing
they must have been schmearing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't schmear
you mustn't schmear
he mustn't schmear
we mustn't schmear
you mustn't schmear
they mustn't schmear 	I mustn't be schmearing
you mustn't be schmearing
he mustn't be schmearing
we mustn't be schmearing
you mustn't be schmearing
they mustn't be schmearing	I mustn't have schmeared
you mustn't have schmeared
he mustn't have schmeared
we mustn't have schmeared
you mustn't have schmeared
they mustn't have schmeared	I mustn't have been schmearing
you mustn't have been schmearing
he mustn't have been schmearing
we mustn't have been schmearing
you mustn't have been schmearing
they mustn't have been schmearing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I schmear?
must you schmear?
must he schmear?
must we schmear?
must you schmear?
must they schmear? 	must I be schmearing?
must you be schmearing?
must he be schmearing?
must we be schmearing?
must you be schmearing?
must they be schmearing? 	must I have schmeared?
must you have schmeared?
must he have schmeared?
must we have schmeared?
must you have schmeared?
must they have schmeared? 	must I have been schmearing?
must you have been schmearing?
must he have been schmearing?
must we have been schmearing?
must you have been schmearing?
must they have been schmearing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I schmear?
mustn't you schmear?
mustn't he schmear?
mustn't we schmear?
mustn't you schmear?
mustn't they schmear? 	mustn't I be schmearing?
mustn't you be schmearing?
mustn't he be schmearing?
mustn't we be schmearing?
mustn't you be schmearing?
mustn't they be schmearing? 	mustn't I have schmeared?
mustn't you have schmeared?
mustn't he have schmeared?
mustn't we have schmeared?
mustn't you have schmeared?
mustn't they have schmeared? 	mustn't I have been schmearing?
mustn't you have been schmearing?
mustn't he have been schmearing?
mustn't we have been schmearing?
mustn't you have been schmearing?
mustn't they have been schmearing?