English verb conjugation
MUST BALLAST

Regular verb: ballast - ballasted - ballasted

Affirmation

Simple form	V-ing form
I must ballast you must ballast he must ballast we must ballast you must ballast they must ballast	I must be ballasting you must be ballasting he must be ballasting we must be ballasting you must be ballasting they must be ballasting
Perfect	V-ing perfect
I must have ballasted you must have ballasted he must have ballasted we must have ballasted you must have ballasted they must have ballasted	I must have been ballasting you must have been ballasting he must have been ballasting we must have been ballasting you must have been ballasting they must have been ballasting

Negation

Simple form	V-ing form
I mustn't ballast you mustn't ballast he mustn't ballast we mustn't ballast you mustn't ballast they mustn't ballast	I mustn't be ballasting you mustn't be ballasting he mustn't be ballasting we mustn't be ballasting you mustn't be ballasting they mustn't be ballasting
Perfect	V-ing perfect
I mustn't have ballasted you mustn't have ballasted he mustn't have ballasted we mustn't have ballasted you mustn't have ballasted they mustn't have ballasted	I mustn't have been ballasting you mustn't have been ballasting he mustn't have been ballasting we mustn't have been ballasting you mustn't have been ballasting they mustn't have been ballasting

Interrogative form

Simple form	V-ing form
must I ballast? must you ballast? must he ballast? must we ballast? must you ballast? must they ballast?	must I be ballasting? must you be ballasting? must he be ballasting? must we be ballasting? must you be ballasting? must they be ballasting?
Perfect	V-ing perfect
must I have ballasted? must you have ballasted? must he have ballasted? must we have ballasted? must you have ballasted? must they have ballasted?	must I have been ballasting? must you have been ballasting? must he have been ballasting? must we have been ballasting? must you have been ballasting? must they have been ballasting?

Interro-negative form

Simple form	V-ing form
mustn't I ballast? mustn't you ballast? mustn't he ballast? mustn't we ballast? mustn't you ballast? mustn't they ballast?	mustn't I be ballasting? mustn't you be ballasting? mustn't he be ballasting? mustn't we be ballasting? mustn't you be ballasting? mustn't they be ballasting?
Perfect	V-ing perfect
mustn't I have ballasted? mustn't you have ballasted? mustn't he have ballasted? mustn't we have ballasted? mustn't you have ballasted? mustn't they have ballasted?	mustn't I have been ballasting? mustn't you have been ballasting? mustn't he have been ballasting? mustn't we have been ballasting? mustn't you have been ballasting? mustn't they have been ballasting?