English verb conjugation
MUST CONSTERNATE

Regular verb: consternate - consternated - consternated

Affirmation

Simple form	V-ing form
I must consternate you must consternate he must consternate we must consternate you must consternate they must consternate	I must be consternating you must be consternating he 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 he 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 he 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 he 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 he 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 he 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 he 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 he consternate? must we consternate? must you consternate? must they consternate?	must I be consternating? must you be consternating? must he 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 he 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 he 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 he 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 he 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 he 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 he have been consternating? mustn't we have been consternating? mustn't you have been consternating? mustn't they have been consternating?