I must handfeed you must handfeed he must handfeed we must handfeed you must handfeed they must handfeed
V-ing form
I must be handfeeding you must be handfeeding he must be handfeeding we must be handfeeding you must be handfeeding they must be handfeeding
Perfect
I must have handfeeded you must have handfeeded he must have handfeeded we must have handfeeded you must have handfeeded they must have handfeeded
V-ing perfect
I must have been handfeeding you must have been handfeeding he must have been handfeeding we must have been handfeeding you must have been handfeeding they must have been handfeeding
Negation
Simple form
I must not handfeed you must not handfeed he must not handfeed we must not handfeed you must not handfeed they must not handfeed
V-ing form
I must not be handfeeding you must not be handfeeding he must not be handfeeding we must not be handfeeding you must not be handfeeding they must not be handfeeding
Perfect
I must not have handfeeded you must not have handfeeded he must not have handfeeded we must not have handfeeded you must not have handfeeded they must not have handfeeded
V-ing perfect
I must not have been handfeeding you must not have been handfeeding he must not have been handfeeding we must not have been handfeeding you must not have been handfeeding they must not have been handfeeding
Interrogative form
Simple form
must I handfeed? must you handfeed? must he handfeed? must we handfeed? must you handfeed? must they handfeed?
V-ing form
must I be handfeeding? must you be handfeeding? must he be handfeeding? must we be handfeeding? must you be handfeeding? must they be handfeeding?
Perfect
must I have handfeeded? must you have handfeeded? must he have handfeeded? must we have handfeeded? must you have handfeeded? must they have handfeeded?
V-ing perfect
must I have been handfeeding? must you have been handfeeding? must he have been handfeeding? must we have been handfeeding? must you have been handfeeding? must they have been handfeeding?
Interro-negative form
Simple form
must I not handfeed? must you not handfeed? must he not handfeed? must we not handfeed? must you not handfeed? must they not handfeed?
V-ing form
must I not be handfeeding? must you not be handfeeding? must he not be handfeeding? must we not be handfeeding? must you not be handfeeding? must they not be handfeeding?
Perfect
must I not have handfeeded? must you not have handfeeded? must he not have handfeeded? must we not have handfeeded? must you not have handfeeded? must they not have handfeeded?
V-ing perfect
must I not have been handfeeding? must you not have been handfeeding? must he not have been handfeeding? must we not have been handfeeding? must you not have been handfeeding? must they not have been handfeeding?