English verb conjugation
MUST ROUGHCAST

Regular verb: roughcast - roughcasted - roughcasted

Affirmation

Simple form	V-ing form
I must roughcast you must roughcast she must roughcast we must roughcast you must roughcast they must roughcast	I must be roughcasting you must be roughcasting she must be roughcasting we must be roughcasting you must be roughcasting they must be roughcasting
Perfect	V-ing perfect
I must have roughcasted you must have roughcasted she must have roughcasted we must have roughcasted you must have roughcasted they must have roughcasted	I must have been roughcasting you must have been roughcasting she must have been roughcasting we must have been roughcasting you must have been roughcasting they must have been roughcasting

Negation

Simple form	V-ing form
I mustn't roughcast you mustn't roughcast she mustn't roughcast we mustn't roughcast you mustn't roughcast they mustn't roughcast	I mustn't be roughcasting you mustn't be roughcasting she mustn't be roughcasting we mustn't be roughcasting you mustn't be roughcasting they mustn't be roughcasting
Perfect	V-ing perfect
I mustn't have roughcasted you mustn't have roughcasted she mustn't have roughcasted we mustn't have roughcasted you mustn't have roughcasted they mustn't have roughcasted	I mustn't have been roughcasting you mustn't have been roughcasting she mustn't have been roughcasting we mustn't have been roughcasting you mustn't have been roughcasting they mustn't have been roughcasting

Interrogative form

Simple form	V-ing form
must I roughcast? must you roughcast? must she roughcast? must we roughcast? must you roughcast? must they roughcast?	must I be roughcasting? must you be roughcasting? must she be roughcasting? must we be roughcasting? must you be roughcasting? must they be roughcasting?
Perfect	V-ing perfect
must I have roughcasted? must you have roughcasted? must she have roughcasted? must we have roughcasted? must you have roughcasted? must they have roughcasted?	must I have been roughcasting? must you have been roughcasting? must she have been roughcasting? must we have been roughcasting? must you have been roughcasting? must they have been roughcasting?

Interro-negative form

Simple form	V-ing form
mustn't I roughcast? mustn't you roughcast? mustn't she roughcast? mustn't we roughcast? mustn't you roughcast? mustn't they roughcast?	mustn't I be roughcasting? mustn't you be roughcasting? mustn't she be roughcasting? mustn't we be roughcasting? mustn't you be roughcasting? mustn't they be roughcasting?
Perfect	V-ing perfect
mustn't I have roughcasted? mustn't you have roughcasted? mustn't she have roughcasted? mustn't we have roughcasted? mustn't you have roughcasted? mustn't they have roughcasted?	mustn't I have been roughcasting? mustn't you have been roughcasting? mustn't she have been roughcasting? mustn't we have been roughcasting? mustn't you have been roughcasting? mustn't they have been roughcasting?