I must spruce you must spruce he must spruce we must spruce you must spruce they must spruce
Forme en V-ing
I must be sprucing you must be sprucing he must be sprucing we must be sprucing you must be sprucing they must be sprucing
Perfect
I must have spruced you must have spruced he must have spruced we must have spruced you must have spruced they must have spruced
Perfect en V-ing
I must have been sprucing you must have been sprucing he must have been sprucing we must have been sprucing you must have been sprucing they must have been sprucing
Négation
Forme simple
I mustn't spruce you mustn't spruce he mustn't spruce we mustn't spruce you mustn't spruce they mustn't spruce
Forme en V-ing
I mustn't be sprucing you mustn't be sprucing he mustn't be sprucing we mustn't be sprucing you mustn't be sprucing they mustn't be sprucing
Perfect
I mustn't have spruced you mustn't have spruced he mustn't have spruced we mustn't have spruced you mustn't have spruced they mustn't have spruced
Perfect en V-ing
I mustn't have been sprucing you mustn't have been sprucing he mustn't have been sprucing we mustn't have been sprucing you mustn't have been sprucing they mustn't have been sprucing
Forme interrogative
Forme simple
must I spruce? must you spruce? must he spruce? must we spruce? must you spruce? must they spruce?
Forme en V-ing
must I be sprucing? must you be sprucing? must he be sprucing? must we be sprucing? must you be sprucing? must they be sprucing?
Perfect
must I have spruced? must you have spruced? must he have spruced? must we have spruced? must you have spruced? must they have spruced?
Perfect en V-ing
must I have been sprucing? must you have been sprucing? must he have been sprucing? must we have been sprucing? must you have been sprucing? must they have been sprucing?
Forme interro-négative
Forme simple
mustn't I spruce? mustn't you spruce? mustn't he spruce? mustn't we spruce? mustn't you spruce? mustn't they spruce?
Forme en V-ing
mustn't I be sprucing? mustn't you be sprucing? mustn't he be sprucing? mustn't we be sprucing? mustn't you be sprucing? mustn't they be sprucing?
Perfect
mustn't I have spruced? mustn't you have spruced? mustn't he have spruced? mustn't we have spruced? mustn't you have spruced? mustn't they have spruced?
Perfect en V-ing
mustn't I have been sprucing? mustn't you have been sprucing? mustn't he have been sprucing? mustn't we have been sprucing? mustn't you have been sprucing? mustn't they have been sprucing?