I must field-strip you must field-strip he must field-strip we must field-strip you must field-strip they must field-strip
Forme en V-ing
I must be field-striping you must be field-striping he must be field-striping we must be field-striping you must be field-striping they must be field-striping
Perfect
I must have field-striped you must have field-striped he must have field-striped we must have field-striped you must have field-striped they must have field-striped
Perfect en V-ing
I must have been field-striping you must have been field-striping he must have been field-striping we must have been field-striping you must have been field-striping they must have been field-striping
Négation
Forme simple
I must not field-strip you must not field-strip he must not field-strip we must not field-strip you must not field-strip they must not field-strip
Forme en V-ing
I must not be field-striping you must not be field-striping he must not be field-striping we must not be field-striping you must not be field-striping they must not be field-striping
Perfect
I must not have field-striped you must not have field-striped he must not have field-striped we must not have field-striped you must not have field-striped they must not have field-striped
Perfect en V-ing
I must not have been field-striping you must not have been field-striping he must not have been field-striping we must not have been field-striping you must not have been field-striping they must not have been field-striping
Forme interrogative
Forme simple
must I field-strip? must you field-strip? must he field-strip? must we field-strip? must you field-strip? must they field-strip?
Forme en V-ing
must I be field-striping? must you be field-striping? must he be field-striping? must we be field-striping? must you be field-striping? must they be field-striping?
Perfect
must I have field-striped? must you have field-striped? must he have field-striped? must we have field-striped? must you have field-striped? must they have field-striped?
Perfect en V-ing
must I have been field-striping? must you have been field-striping? must he have been field-striping? must we have been field-striping? must you have been field-striping? must they have been field-striping?
Forme interro-négative
Forme simple
must I not field-strip? must you not field-strip? must he not field-strip? must we not field-strip? must you not field-strip? must they not field-strip?
Forme en V-ing
must I not be field-striping? must you not be field-striping? must he not be field-striping? must we not be field-striping? must you not be field-striping? must they not be field-striping?
Perfect
must I not have field-striped? must you not have field-striped? must he not have field-striped? must we not have field-striped? must you not have field-striped? must they not have field-striped?
Perfect en V-ing
must I not have been field-striping? must you not have been field-striping? must he not have been field-striping? must we not have been field-striping? must you not have been field-striping? must they not have been field-striping?