English verb conjugation
MUST JUMP

Regular verb: jump - jumped - jumped

Affirmation

Simple form	V-ing form
I must jump you must jump he must jump we must jump you must jump they must jump	I must be jumping you must be jumping he must be jumping we must be jumping you must be jumping they must be jumping
Perfect	V-ing perfect
I must have jumped you must have jumped he must have jumped we must have jumped you must have jumped they must have jumped	I must have been jumping you must have been jumping he must have been jumping we must have been jumping you must have been jumping they must have been jumping

Negation

Simple form	V-ing form
I mustn't jump you mustn't jump he mustn't jump we mustn't jump you mustn't jump they mustn't jump	I mustn't be jumping you mustn't be jumping he mustn't be jumping we mustn't be jumping you mustn't be jumping they mustn't be jumping
Perfect	V-ing perfect
I mustn't have jumped you mustn't have jumped he mustn't have jumped we mustn't have jumped you mustn't have jumped they mustn't have jumped	I mustn't have been jumping you mustn't have been jumping he mustn't have been jumping we mustn't have been jumping you mustn't have been jumping they mustn't have been jumping

Interrogative form

Simple form	V-ing form
must I jump? must you jump? must he jump? must we jump? must you jump? must they jump?	must I be jumping? must you be jumping? must he be jumping? must we be jumping? must you be jumping? must they be jumping?
Perfect	V-ing perfect
must I have jumped? must you have jumped? must he have jumped? must we have jumped? must you have jumped? must they have jumped?	must I have been jumping? must you have been jumping? must he have been jumping? must we have been jumping? must you have been jumping? must they have been jumping?

Interro-negative form

Simple form	V-ing form
mustn't I jump? mustn't you jump? mustn't he jump? mustn't we jump? mustn't you jump? mustn't they jump?	mustn't I be jumping? mustn't you be jumping? mustn't he be jumping? mustn't we be jumping? mustn't you be jumping? mustn't they be jumping?
Perfect	V-ing perfect
mustn't I have jumped? mustn't you have jumped? mustn't he have jumped? mustn't we have jumped? mustn't you have jumped? mustn't they have jumped?	mustn't I have been jumping? mustn't you have been jumping? mustn't he have been jumping? mustn't we have been jumping? mustn't you have been jumping? mustn't they have been jumping?