I must pot you must pot he must pot we must pot you must pot they must pot
V-ing form
I must be potting you must be potting he must be potting we must be potting you must be potting they must be potting
Perfect
I must have potted you must have potted he must have potted we must have potted you must have potted they must have potted
V-ing perfect
I must have been potting you must have been potting he must have been potting we must have been potting you must have been potting they must have been potting
Negation
Simple form
I must not pot you must not pot he must not pot we must not pot you must not pot they must not pot
V-ing form
I must not be potting you must not be potting he must not be potting we must not be potting you must not be potting they must not be potting
Perfect
I must not have potted you must not have potted he must not have potted we must not have potted you must not have potted they must not have potted
V-ing perfect
I must not have been potting you must not have been potting he must not have been potting we must not have been potting you must not have been potting they must not have been potting
Interrogative form
Simple form
must I pot? must you pot? must he pot? must we pot? must you pot? must they pot?
V-ing form
must I be potting? must you be potting? must he be potting? must we be potting? must you be potting? must they be potting?
Perfect
must I have potted? must you have potted? must he have potted? must we have potted? must you have potted? must they have potted?
V-ing perfect
must I have been potting? must you have been potting? must he have been potting? must we have been potting? must you have been potting? must they have been potting?
Interro-negative form
Simple form
must I not pot? must you not pot? must he not pot? must we not pot? must you not pot? must they not pot?
V-ing form
must I not be potting? must you not be potting? must he not be potting? must we not be potting? must you not be potting? must they not be potting?
Perfect
must I not have potted? must you not have potted? must he not have potted? must we not have potted? must you not have potted? must they not have potted?
V-ing perfect
must I not have been potting? must you not have been potting? must he not have been potting? must we not have been potting? must you not have been potting? must they not have been potting?