I must lubricate you must lubricate he must lubricate we must lubricate you must lubricate they must lubricate
Forme en V-ing
I must be lubricating you must be lubricating he must be lubricating we must be lubricating you must be lubricating they must be lubricating
Perfect
I must have lubricated you must have lubricated he must have lubricated we must have lubricated you must have lubricated they must have lubricated
Perfect en V-ing
I must have been lubricating you must have been lubricating he must have been lubricating we must have been lubricating you must have been lubricating they must have been lubricating
Négation
Forme simple
I must not lubricate you must not lubricate he must not lubricate we must not lubricate you must not lubricate they must not lubricate
Forme en V-ing
I must not be lubricating you must not be lubricating he must not be lubricating we must not be lubricating you must not be lubricating they must not be lubricating
Perfect
I must not have lubricated you must not have lubricated he must not have lubricated we must not have lubricated you must not have lubricated they must not have lubricated
Perfect en V-ing
I must not have been lubricating you must not have been lubricating he must not have been lubricating we must not have been lubricating you must not have been lubricating they must not have been lubricating
Forme interrogative
Forme simple
must I lubricate? must you lubricate? must he lubricate? must we lubricate? must you lubricate? must they lubricate?
Forme en V-ing
must I be lubricating? must you be lubricating? must he be lubricating? must we be lubricating? must you be lubricating? must they be lubricating?
Perfect
must I have lubricated? must you have lubricated? must he have lubricated? must we have lubricated? must you have lubricated? must they have lubricated?
Perfect en V-ing
must I have been lubricating? must you have been lubricating? must he have been lubricating? must we have been lubricating? must you have been lubricating? must they have been lubricating?
Forme interro-négative
Forme simple
must I not lubricate? must you not lubricate? must he not lubricate? must we not lubricate? must you not lubricate? must they not lubricate?
Forme en V-ing
must I not be lubricating? must you not be lubricating? must he not be lubricating? must we not be lubricating? must you not be lubricating? must they not be lubricating?
Perfect
must I not have lubricated? must you not have lubricated? must he not have lubricated? must we not have lubricated? must you not have lubricated? must they not have lubricated?
Perfect en V-ing
must I not have been lubricating? must you not have been lubricating? must he not have been lubricating? must we not have been lubricating? must you not have been lubricating? must they not have been lubricating?