English verb conjugation
MUST MASTICATE

Regular verb: masticate - masticated - masticated

Affirmation

Simple form	V-ing form
I must masticate you must masticate she must masticate we must masticate you must masticate they must masticate	I must be masticating you must be masticating she must be masticating we must be masticating you must be masticating they must be masticating
Perfect	V-ing perfect
I must have masticated you must have masticated she must have masticated we must have masticated you must have masticated they must have masticated	I must have been masticating you must have been masticating she must have been masticating we must have been masticating you must have been masticating they must have been masticating

Negation

Simple form	V-ing form
I mustn't masticate you mustn't masticate she mustn't masticate we mustn't masticate you mustn't masticate they mustn't masticate	I mustn't be masticating you mustn't be masticating she mustn't be masticating we mustn't be masticating you mustn't be masticating they mustn't be masticating
Perfect	V-ing perfect
I mustn't have masticated you mustn't have masticated she mustn't have masticated we mustn't have masticated you mustn't have masticated they mustn't have masticated	I mustn't have been masticating you mustn't have been masticating she mustn't have been masticating we mustn't have been masticating you mustn't have been masticating they mustn't have been masticating

Interrogative form

Simple form	V-ing form
must I masticate? must you masticate? must she masticate? must we masticate? must you masticate? must they masticate?	must I be masticating? must you be masticating? must she be masticating? must we be masticating? must you be masticating? must they be masticating?
Perfect	V-ing perfect
must I have masticated? must you have masticated? must she have masticated? must we have masticated? must you have masticated? must they have masticated?	must I have been masticating? must you have been masticating? must she have been masticating? must we have been masticating? must you have been masticating? must they have been masticating?

Interro-negative form

Simple form	V-ing form
mustn't I masticate? mustn't you masticate? mustn't she masticate? mustn't we masticate? mustn't you masticate? mustn't they masticate?	mustn't I be masticating? mustn't you be masticating? mustn't she be masticating? mustn't we be masticating? mustn't you be masticating? mustn't they be masticating?
Perfect	V-ing perfect
mustn't I have masticated? mustn't you have masticated? mustn't she have masticated? mustn't we have masticated? mustn't you have masticated? mustn't they have masticated?	mustn't I have been masticating? mustn't you have been masticating? mustn't she have been masticating? mustn't we have been masticating? mustn't you have been masticating? mustn't they have been masticating?