I must suckle you must suckle he must suckle we must suckle you must suckle they must suckle
Forme en V-ing
I must be suckling you must be suckling he must be suckling we must be suckling you must be suckling they must be suckling
Perfect
I must have suckled you must have suckled he must have suckled we must have suckled you must have suckled they must have suckled
Perfect en V-ing
I must have been suckling you must have been suckling he must have been suckling we must have been suckling you must have been suckling they must have been suckling
Négation
Forme simple
I must not suckle you must not suckle he must not suckle we must not suckle you must not suckle they must not suckle
Forme en V-ing
I must not be suckling you must not be suckling he must not be suckling we must not be suckling you must not be suckling they must not be suckling
Perfect
I must not have suckled you must not have suckled he must not have suckled we must not have suckled you must not have suckled they must not have suckled
Perfect en V-ing
I must not have been suckling you must not have been suckling he must not have been suckling we must not have been suckling you must not have been suckling they must not have been suckling
Forme interrogative
Forme simple
must I suckle? must you suckle? must he suckle? must we suckle? must you suckle? must they suckle?
Forme en V-ing
must I be suckling? must you be suckling? must he be suckling? must we be suckling? must you be suckling? must they be suckling?
Perfect
must I have suckled? must you have suckled? must he have suckled? must we have suckled? must you have suckled? must they have suckled?
Perfect en V-ing
must I have been suckling? must you have been suckling? must he have been suckling? must we have been suckling? must you have been suckling? must they have been suckling?
Forme interro-négative
Forme simple
must I not suckle? must you not suckle? must he not suckle? must we not suckle? must you not suckle? must they not suckle?
Forme en V-ing
must I not be suckling? must you not be suckling? must he not be suckling? must we not be suckling? must you not be suckling? must they not be suckling?
Perfect
must I not have suckled? must you not have suckled? must he not have suckled? must we not have suckled? must you not have suckled? must they not have suckled?
Perfect en V-ing
must I not have been suckling? must you not have been suckling? must he not have been suckling? must we not have been suckling? must you not have been suckling? must they not have been suckling?