I must guide you must guide he must guide we must guide you must guide they must guide
V-ing form
I must be guiding you must be guiding he must be guiding we must be guiding you must be guiding they must be guiding
Perfect
I must have guided you must have guided he must have guided we must have guided you must have guided they must have guided
V-ing perfect
I must have been guiding you must have been guiding he must have been guiding we must have been guiding you must have been guiding they must have been guiding
Negation
Simple form
I must not guide you must not guide he must not guide we must not guide you must not guide they must not guide
V-ing form
I must not be guiding you must not be guiding he must not be guiding we must not be guiding you must not be guiding they must not be guiding
Perfect
I must not have guided you must not have guided he must not have guided we must not have guided you must not have guided they must not have guided
V-ing perfect
I must not have been guiding you must not have been guiding he must not have been guiding we must not have been guiding you must not have been guiding they must not have been guiding
Interrogative form
Simple form
must I guide? must you guide? must he guide? must we guide? must you guide? must they guide?
V-ing form
must I be guiding? must you be guiding? must he be guiding? must we be guiding? must you be guiding? must they be guiding?
Perfect
must I have guided? must you have guided? must he have guided? must we have guided? must you have guided? must they have guided?
V-ing perfect
must I have been guiding? must you have been guiding? must he have been guiding? must we have been guiding? must you have been guiding? must they have been guiding?
Interro-negative form
Simple form
must I not guide? must you not guide? must he not guide? must we not guide? must you not guide? must they not guide?
V-ing form
must I not be guiding? must you not be guiding? must he not be guiding? must we not be guiding? must you not be guiding? must they not be guiding?
Perfect
must I not have guided? must you not have guided? must he not have guided? must we not have guided? must you not have guided? must they not have guided?
V-ing perfect
must I not have been guiding? must you not have been guiding? must he not have been guiding? must we not have been guiding? must you not have been guiding? must they not have been guiding?