I must orient you must orient he must orient we must orient you must orient they must orient
Forme en V-ing
I must be orienting you must be orienting he must be orienting we must be orienting you must be orienting they must be orienting
Perfect
I must have oriented you must have oriented he must have oriented we must have oriented you must have oriented they must have oriented
Perfect en V-ing
I must have been orienting you must have been orienting he must have been orienting we must have been orienting you must have been orienting they must have been orienting
Négation
Forme simple
I must not orient you must not orient he must not orient we must not orient you must not orient they must not orient
Forme en V-ing
I must not be orienting you must not be orienting he must not be orienting we must not be orienting you must not be orienting they must not be orienting
Perfect
I must not have oriented you must not have oriented he must not have oriented we must not have oriented you must not have oriented they must not have oriented
Perfect en V-ing
I must not have been orienting you must not have been orienting he must not have been orienting we must not have been orienting you must not have been orienting they must not have been orienting
Forme interrogative
Forme simple
must I orient? must you orient? must he orient? must we orient? must you orient? must they orient?
Forme en V-ing
must I be orienting? must you be orienting? must he be orienting? must we be orienting? must you be orienting? must they be orienting?
Perfect
must I have oriented? must you have oriented? must he have oriented? must we have oriented? must you have oriented? must they have oriented?
Perfect en V-ing
must I have been orienting? must you have been orienting? must he have been orienting? must we have been orienting? must you have been orienting? must they have been orienting?
Forme interro-négative
Forme simple
must I not orient? must you not orient? must he not orient? must we not orient? must you not orient? must they not orient?
Forme en V-ing
must I not be orienting? must you not be orienting? must he not be orienting? must we not be orienting? must you not be orienting? must they not be orienting?
Perfect
must I not have oriented? must you not have oriented? must he not have oriented? must we not have oriented? must you not have oriented? must they not have oriented?
Perfect en V-ing
must I not have been orienting? must you not have been orienting? must he not have been orienting? must we not have been orienting? must you not have been orienting? must they not have been orienting?