I must meditate you must meditate he must meditate we must meditate you must meditate they must meditate
V-ing form
I must be meditating you must be meditating he must be meditating we must be meditating you must be meditating they must be meditating
Perfect
I must have meditated you must have meditated he must have meditated we must have meditated you must have meditated they must have meditated
V-ing perfect
I must have been meditating you must have been meditating he must have been meditating we must have been meditating you must have been meditating they must have been meditating
Negation
Simple form
I mustn't meditate you mustn't meditate he mustn't meditate we mustn't meditate you mustn't meditate they mustn't meditate
V-ing form
I mustn't be meditating you mustn't be meditating he mustn't be meditating we mustn't be meditating you mustn't be meditating they mustn't be meditating
Perfect
I mustn't have meditated you mustn't have meditated he mustn't have meditated we mustn't have meditated you mustn't have meditated they mustn't have meditated
V-ing perfect
I mustn't have been meditating you mustn't have been meditating he mustn't have been meditating we mustn't have been meditating you mustn't have been meditating they mustn't have been meditating
Interrogative form
Simple form
must I meditate? must you meditate? must he meditate? must we meditate? must you meditate? must they meditate?
V-ing form
must I be meditating? must you be meditating? must he be meditating? must we be meditating? must you be meditating? must they be meditating?
Perfect
must I have meditated? must you have meditated? must he have meditated? must we have meditated? must you have meditated? must they have meditated?
V-ing perfect
must I have been meditating? must you have been meditating? must he have been meditating? must we have been meditating? must you have been meditating? must they have been meditating?
Interro-negative form
Simple form
mustn't I meditate? mustn't you meditate? mustn't he meditate? mustn't we meditate? mustn't you meditate? mustn't they meditate?
V-ing form
mustn't I be meditating? mustn't you be meditating? mustn't he be meditating? mustn't we be meditating? mustn't you be meditating? mustn't they be meditating?
Perfect
mustn't I have meditated? mustn't you have meditated? mustn't he have meditated? mustn't we have meditated? mustn't you have meditated? mustn't they have meditated?
V-ing perfect
mustn't I have been meditating? mustn't you have been meditating? mustn't he have been meditating? mustn't we have been meditating? mustn't you have been meditating? mustn't they have been meditating?