must plaster
Verbo regular: plaster - plastered- plastered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must plaster
you must plaster
he must plaster
we must plaster
you must plaster
they must plaster 	I must be plastering
you must be plastering
he must be plastering
we must be plastering
you must be plastering
they must be plastering	I must have plastered
you must have plastered
he must have plastered
we must have plastered
you must have plastered
they must have plastered	I must have been plastering
you must have been plastering
he must have been plastering
we must have been plastering
you must have been plastering
they must have been plastering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not plaster
you must not plaster
he must not plaster
we must not plaster
you must not plaster
they must not plaster 	I must not be plastering
you must not be plastering
he must not be plastering
we must not be plastering
you must not be plastering
they must not be plastering	I must not have plastered
you must not have plastered
he must not have plastered
we must not have plastered
you must not have plastered
they must not have plastered	I must not have been plastering
you must not have been plastering
he must not have been plastering
we must not have been plastering
you must not have been plastering
they must not have been plastering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I plaster?
must you plaster?
must he plaster?
must we plaster?
must you plaster?
must they plaster? 	must I be plastering?
must you be plastering?
must he be plastering?
must we be plastering?
must you be plastering?
must they be plastering? 	must I have plastered?
must you have plastered?
must he have plastered?
must we have plastered?
must you have plastered?
must they have plastered? 	must I have been plastering?
must you have been plastering?
must he have been plastering?
must we have been plastering?
must you have been plastering?
must they have been plastering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not plaster?
must you not plaster?
must he not plaster?
must we not plaster?
must you not plaster?
must they not plaster? 	must I not be plastering?
must you not be plastering?
must he not be plastering?
must we not be plastering?
must you not be plastering?
must they not be plastering? 	must I not have plastered?
must you not have plastered?
must he not have plastered?
must we not have plastered?
must you not have plastered?
must they not have plastered? 	must I not have been plastering?
must you not have been plastering?
must he not have been plastering?
must we not have been plastering?
must you not have been plastering?
must they not have been plastering?