English verb conjugation
MUST ZAG

Regular verb: zag - zaged - zaged

Affirmation

Simple form	V-ing form
I must zag you must zag she must zag we must zag you must zag they must zag	I must be zaging you must be zaging she must be zaging we must be zaging you must be zaging they must be zaging
Perfect	V-ing perfect
I must have zaged you must have zaged she must have zaged we must have zaged you must have zaged they must have zaged	I must have been zaging you must have been zaging she must have been zaging we must have been zaging you must have been zaging they must have been zaging

Negation

Simple form	V-ing form
I mustn't zag you mustn't zag she mustn't zag we mustn't zag you mustn't zag they mustn't zag	I mustn't be zaging you mustn't be zaging she mustn't be zaging we mustn't be zaging you mustn't be zaging they mustn't be zaging
Perfect	V-ing perfect
I mustn't have zaged you mustn't have zaged she mustn't have zaged we mustn't have zaged you mustn't have zaged they mustn't have zaged	I mustn't have been zaging you mustn't have been zaging she mustn't have been zaging we mustn't have been zaging you mustn't have been zaging they mustn't have been zaging

Interrogative form

Simple form	V-ing form
must I zag? must you zag? must she zag? must we zag? must you zag? must they zag?	must I be zaging? must you be zaging? must she be zaging? must we be zaging? must you be zaging? must they be zaging?
Perfect	V-ing perfect
must I have zaged? must you have zaged? must she have zaged? must we have zaged? must you have zaged? must they have zaged?	must I have been zaging? must you have been zaging? must she have been zaging? must we have been zaging? must you have been zaging? must they have been zaging?

Interro-negative form

Simple form	V-ing form
mustn't I zag? mustn't you zag? mustn't she zag? mustn't we zag? mustn't you zag? mustn't they zag?	mustn't I be zaging? mustn't you be zaging? mustn't she be zaging? mustn't we be zaging? mustn't you be zaging? mustn't they be zaging?
Perfect	V-ing perfect
mustn't I have zaged? mustn't you have zaged? mustn't she have zaged? mustn't we have zaged? mustn't you have zaged? mustn't they have zaged?	mustn't I have been zaging? mustn't you have been zaging? mustn't she have been zaging? mustn't we have been zaging? mustn't you have been zaging? mustn't they have been zaging?