I must wan you must wan he must wan we must wan you must wan they must wan
V-ing form
I must be waning you must be waning he must be waning we must be waning you must be waning they must be waning
Perfect
I must have waned you must have waned he must have waned we must have waned you must have waned they must have waned
V-ing perfect
I must have been waning you must have been waning he must have been waning we must have been waning you must have been waning they must have been waning
Negation
Simple form
I must not wan you must not wan he must not wan we must not wan you must not wan they must not wan
V-ing form
I must not be waning you must not be waning he must not be waning we must not be waning you must not be waning they must not be waning
Perfect
I must not have waned you must not have waned he must not have waned we must not have waned you must not have waned they must not have waned
V-ing perfect
I must not have been waning you must not have been waning he must not have been waning we must not have been waning you must not have been waning they must not have been waning
Interrogative form
Simple form
must I wan? must you wan? must he wan? must we wan? must you wan? must they wan?
V-ing form
must I be waning? must you be waning? must he be waning? must we be waning? must you be waning? must they be waning?
Perfect
must I have waned? must you have waned? must he have waned? must we have waned? must you have waned? must they have waned?
V-ing perfect
must I have been waning? must you have been waning? must he have been waning? must we have been waning? must you have been waning? must they have been waning?
Interro-negative form
Simple form
must I not wan? must you not wan? must he not wan? must we not wan? must you not wan? must they not wan?
V-ing form
must I not be waning? must you not be waning? must he not be waning? must we not be waning? must you not be waning? must they not be waning?
Perfect
must I not have waned? must you not have waned? must he not have waned? must we not have waned? must you not have waned? must they not have waned?
V-ing perfect
must I not have been waning? must you not have been waning? must he not have been waning? must we not have been waning? must you not have been waning? must they not have been waning?