I must vein you must vein he must vein we must vein you must vein they must vein
Forme en V-ing
I must be veining you must be veining he must be veining we must be veining you must be veining they must be veining
Perfect
I must have veined you must have veined he must have veined we must have veined you must have veined they must have veined
Perfect en V-ing
I must have been veining you must have been veining he must have been veining we must have been veining you must have been veining they must have been veining
Négation
Forme simple
I must not vein you must not vein he must not vein we must not vein you must not vein they must not vein
Forme en V-ing
I must not be veining you must not be veining he must not be veining we must not be veining you must not be veining they must not be veining
Perfect
I must not have veined you must not have veined he must not have veined we must not have veined you must not have veined they must not have veined
Perfect en V-ing
I must not have been veining you must not have been veining he must not have been veining we must not have been veining you must not have been veining they must not have been veining
Forme interrogative
Forme simple
must I vein? must you vein? must he vein? must we vein? must you vein? must they vein?
Forme en V-ing
must I be veining? must you be veining? must he be veining? must we be veining? must you be veining? must they be veining?
Perfect
must I have veined? must you have veined? must he have veined? must we have veined? must you have veined? must they have veined?
Perfect en V-ing
must I have been veining? must you have been veining? must he have been veining? must we have been veining? must you have been veining? must they have been veining?
Forme interro-négative
Forme simple
must I not vein? must you not vein? must he not vein? must we not vein? must you not vein? must they not vein?
Forme en V-ing
must I not be veining? must you not be veining? must he not be veining? must we not be veining? must you not be veining? must they not be veining?
Perfect
must I not have veined? must you not have veined? must he not have veined? must we not have veined? must you not have veined? must they not have veined?
Perfect en V-ing
must I not have been veining? must you not have been veining? must he not have been veining? must we not have been veining? must you not have been veining? must they not have been veining?