English verb conjugation
MUST INTERCALATE

Regular verb: intercalate - intercalated - intercalated

Affirmation

Simple form	V-ing form
I must intercalate you must intercalate she must intercalate we must intercalate you must intercalate they must intercalate	I must be intercalating you must be intercalating she must be intercalating we must be intercalating you must be intercalating they must be intercalating
Perfect	V-ing perfect
I must have intercalated you must have intercalated she must have intercalated we must have intercalated you must have intercalated they must have intercalated	I must have been intercalating you must have been intercalating she must have been intercalating we must have been intercalating you must have been intercalating they must have been intercalating

Negation

Simple form	V-ing form
I mustn't intercalate you mustn't intercalate she mustn't intercalate we mustn't intercalate you mustn't intercalate they mustn't intercalate	I mustn't be intercalating you mustn't be intercalating she mustn't be intercalating we mustn't be intercalating you mustn't be intercalating they mustn't be intercalating
Perfect	V-ing perfect
I mustn't have intercalated you mustn't have intercalated she mustn't have intercalated we mustn't have intercalated you mustn't have intercalated they mustn't have intercalated	I mustn't have been intercalating you mustn't have been intercalating she mustn't have been intercalating we mustn't have been intercalating you mustn't have been intercalating they mustn't have been intercalating

Interrogative form

Simple form	V-ing form
must I intercalate? must you intercalate? must she intercalate? must we intercalate? must you intercalate? must they intercalate?	must I be intercalating? must you be intercalating? must she be intercalating? must we be intercalating? must you be intercalating? must they be intercalating?
Perfect	V-ing perfect
must I have intercalated? must you have intercalated? must she have intercalated? must we have intercalated? must you have intercalated? must they have intercalated?	must I have been intercalating? must you have been intercalating? must she have been intercalating? must we have been intercalating? must you have been intercalating? must they have been intercalating?

Interro-negative form

Simple form	V-ing form
mustn't I intercalate? mustn't you intercalate? mustn't she intercalate? mustn't we intercalate? mustn't you intercalate? mustn't they intercalate?	mustn't I be intercalating? mustn't you be intercalating? mustn't she be intercalating? mustn't we be intercalating? mustn't you be intercalating? mustn't they be intercalating?
Perfect	V-ing perfect
mustn't I have intercalated? mustn't you have intercalated? mustn't she have intercalated? mustn't we have intercalated? mustn't you have intercalated? mustn't they have intercalated?	mustn't I have been intercalating? mustn't you have been intercalating? mustn't she have been intercalating? mustn't we have been intercalating? mustn't you have been intercalating? mustn't they have been intercalating?