must plaster
Regular verb: plaster - plastered- plastered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't plaster
you mustn't plaster
he mustn't plaster
we mustn't plaster
you mustn't plaster
they mustn't plaster 	I mustn't be plastering
you mustn't be plastering
he mustn't be plastering
we mustn't be plastering
you mustn't be plastering
they mustn't be plastering	I mustn't have plastered
you mustn't have plastered
he mustn't have plastered
we mustn't have plastered
you mustn't have plastered
they mustn't have plastered	I mustn't have been plastering
you mustn't have been plastering
he mustn't have been plastering
we mustn't have been plastering
you mustn't have been plastering
they mustn't have been plastering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I plaster?
mustn't you plaster?
mustn't he plaster?
mustn't we plaster?
mustn't you plaster?
mustn't they plaster? 	mustn't I be plastering?
mustn't you be plastering?
mustn't he be plastering?
mustn't we be plastering?
mustn't you be plastering?
mustn't they be plastering? 	mustn't I have plastered?
mustn't you have plastered?
mustn't he have plastered?
mustn't we have plastered?
mustn't you have plastered?
mustn't they have plastered? 	mustn't I have been plastering?
mustn't you have been plastering?
mustn't he have been plastering?
mustn't we have been plastering?
mustn't you have been plastering?
mustn't they have been plastering?