I must reattain you must reattain he must reattain we must reattain you must reattain they must reattain
V-ing form
I must be reattaining you must be reattaining he must be reattaining we must be reattaining you must be reattaining they must be reattaining
Perfect
I must have reattained you must have reattained he must have reattained we must have reattained you must have reattained they must have reattained
V-ing perfect
I must have been reattaining you must have been reattaining he must have been reattaining we must have been reattaining you must have been reattaining they must have been reattaining
Negation
Simple form
I must not reattain you must not reattain he must not reattain we must not reattain you must not reattain they must not reattain
V-ing form
I must not be reattaining you must not be reattaining he must not be reattaining we must not be reattaining you must not be reattaining they must not be reattaining
Perfect
I must not have reattained you must not have reattained he must not have reattained we must not have reattained you must not have reattained they must not have reattained
V-ing perfect
I must not have been reattaining you must not have been reattaining he must not have been reattaining we must not have been reattaining you must not have been reattaining they must not have been reattaining
Interrogative form
Simple form
must I reattain? must you reattain? must he reattain? must we reattain? must you reattain? must they reattain?
V-ing form
must I be reattaining? must you be reattaining? must he be reattaining? must we be reattaining? must you be reattaining? must they be reattaining?
Perfect
must I have reattained? must you have reattained? must he have reattained? must we have reattained? must you have reattained? must they have reattained?
V-ing perfect
must I have been reattaining? must you have been reattaining? must he have been reattaining? must we have been reattaining? must you have been reattaining? must they have been reattaining?
Interro-negative form
Simple form
must I not reattain? must you not reattain? must he not reattain? must we not reattain? must you not reattain? must they not reattain?
V-ing form
must I not be reattaining? must you not be reattaining? must he not be reattaining? must we not be reattaining? must you not be reattaining? must they not be reattaining?
Perfect
must I not have reattained? must you not have reattained? must he not have reattained? must we not have reattained? must you not have reattained? must they not have reattained?
V-ing perfect
must I not have been reattaining? must you not have been reattaining? must he not have been reattaining? must we not have been reattaining? must you not have been reattaining? must they not have been reattaining?