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