I must orientate you must orientate he must orientate we must orientate you must orientate they must orientate
V-ing form
I must be orientating you must be orientating he must be orientating we must be orientating you must be orientating they must be orientating
Perfect
I must have orientated you must have orientated he must have orientated we must have orientated you must have orientated they must have orientated
V-ing perfect
I must have been orientating you must have been orientating he must have been orientating we must have been orientating you must have been orientating they must have been orientating
Negation
Simple form
I must not orientate you must not orientate he must not orientate we must not orientate you must not orientate they must not orientate
V-ing form
I must not be orientating you must not be orientating he must not be orientating we must not be orientating you must not be orientating they must not be orientating
Perfect
I must not have orientated you must not have orientated he must not have orientated we must not have orientated you must not have orientated they must not have orientated
V-ing perfect
I must not have been orientating you must not have been orientating he must not have been orientating we must not have been orientating you must not have been orientating they must not have been orientating
Interrogative form
Simple form
must I orientate? must you orientate? must he orientate? must we orientate? must you orientate? must they orientate?
V-ing form
must I be orientating? must you be orientating? must he be orientating? must we be orientating? must you be orientating? must they be orientating?
Perfect
must I have orientated? must you have orientated? must he have orientated? must we have orientated? must you have orientated? must they have orientated?
V-ing perfect
must I have been orientating? must you have been orientating? must he have been orientating? must we have been orientating? must you have been orientating? must they have been orientating?
Interro-negative form
Simple form
must I not orientate? must you not orientate? must he not orientate? must we not orientate? must you not orientate? must they not orientate?
V-ing form
must I not be orientating? must you not be orientating? must he not be orientating? must we not be orientating? must you not be orientating? must they not be orientating?
Perfect
must I not have orientated? must you not have orientated? must he not have orientated? must we not have orientated? must you not have orientated? must they not have orientated?
V-ing perfect
must I not have been orientating? must you not have been orientating? must he not have been orientating? must we not have been orientating? must you not have been orientating? must they not have been orientating?