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 must not implant you must not implant he must not implant we must not implant you must not implant they must not implant
V-ing form
I must not be implanting you must not be implanting he must not be implanting we must not be implanting you must not be implanting they must not be implanting
Perfect
I must not have implanted you must not have implanted he must not have implanted we must not have implanted you must not have implanted they must not have implanted
V-ing perfect
I must not have been implanting you must not have been implanting he must not have been implanting we must not have been implanting you must not have been implanting they must not 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
must I not implant? must you not implant? must he not implant? must we not implant? must you not implant? must they not implant?
V-ing form
must I not be implanting? must you not be implanting? must he not be implanting? must we not be implanting? must you not be implanting? must they not be implanting?
Perfect
must I not have implanted? must you not have implanted? must he not have implanted? must we not have implanted? must you not have implanted? must they not have implanted?
V-ing perfect
must I not have been implanting? must you not have been implanting? must he not have been implanting? must we not have been implanting? must you not have been implanting? must they not have been implanting?