English verb conjugation
MUST CONSTERNATE

Regular verb: consternate - consternated - consternated

Affirmation

Simple form	V-ing form
I must consternate you must consternate she must consternate we must consternate you must consternate they must consternate	I must be consternating you must be consternating she must be consternating we must be consternating you must be consternating they must be consternating
Perfect	V-ing perfect
I must have consternated you must have consternated she must have consternated we must have consternated you must have consternated they must have consternated	I must have been consternating you must have been consternating she must have been consternating we must have been consternating you must have been consternating they must have been consternating

Negation

Simple form	V-ing form
I mustn't consternate you mustn't consternate she mustn't consternate we mustn't consternate you mustn't consternate they mustn't consternate	I mustn't be consternating you mustn't be consternating she mustn't be consternating we mustn't be consternating you mustn't be consternating they mustn't be consternating
Perfect	V-ing perfect
I mustn't have consternated you mustn't have consternated she mustn't have consternated we mustn't have consternated you mustn't have consternated they mustn't have consternated	I mustn't have been consternating you mustn't have been consternating she mustn't have been consternating we mustn't have been consternating you mustn't have been consternating they mustn't have been consternating

Interrogative form

Simple form	V-ing form
must I consternate? must you consternate? must she consternate? must we consternate? must you consternate? must they consternate?	must I be consternating? must you be consternating? must she be consternating? must we be consternating? must you be consternating? must they be consternating?
Perfect	V-ing perfect
must I have consternated? must you have consternated? must she have consternated? must we have consternated? must you have consternated? must they have consternated?	must I have been consternating? must you have been consternating? must she have been consternating? must we have been consternating? must you have been consternating? must they have been consternating?

Interro-negative form

Simple form	V-ing form
mustn't I consternate? mustn't you consternate? mustn't she consternate? mustn't we consternate? mustn't you consternate? mustn't they consternate?	mustn't I be consternating? mustn't you be consternating? mustn't she be consternating? mustn't we be consternating? mustn't you be consternating? mustn't they be consternating?
Perfect	V-ing perfect
mustn't I have consternated? mustn't you have consternated? mustn't she have consternated? mustn't we have consternated? mustn't you have consternated? mustn't they have consternated?	mustn't I have been consternating? mustn't you have been consternating? mustn't she have been consternating? mustn't we have been consternating? mustn't you have been consternating? mustn't they have been consternating?