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