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