I must retell you must retell he must retell we must retell you must retell they must retell
V-ing form
I must be retelling you must be retelling he must be retelling we must be retelling you must be retelling they must be retelling
Perfect
I must have retold you must have retold he must have retold we must have retold you must have retold they must have retold
V-ing perfect
I must have been retelling you must have been retelling he must have been retelling we must have been retelling you must have been retelling they must have been retelling
Negation
Simple form
I mustn't retell you mustn't retell he mustn't retell we mustn't retell you mustn't retell they mustn't retell
V-ing form
I mustn't be retelling you mustn't be retelling he mustn't be retelling we mustn't be retelling you mustn't be retelling they mustn't be retelling
Perfect
I mustn't have retold you mustn't have retold he mustn't have retold we mustn't have retold you mustn't have retold they mustn't have retold
V-ing perfect
I mustn't have been retelling you mustn't have been retelling he mustn't have been retelling we mustn't have been retelling you mustn't have been retelling they mustn't have been retelling
Interrogative form
Simple form
must I retell? must you retell? must he retell? must we retell? must you retell? must they retell?
V-ing form
must I be retelling? must you be retelling? must he be retelling? must we be retelling? must you be retelling? must they be retelling?
Perfect
must I have retold? must you have retold? must he have retold? must we have retold? must you have retold? must they have retold?
V-ing perfect
must I have been retelling? must you have been retelling? must he have been retelling? must we have been retelling? must you have been retelling? must they have been retelling?
Interro-negative form
Simple form
mustn't I retell? mustn't you retell? mustn't he retell? mustn't we retell? mustn't you retell? mustn't they retell?
V-ing form
mustn't I be retelling? mustn't you be retelling? mustn't he be retelling? mustn't we be retelling? mustn't you be retelling? mustn't they be retelling?
Perfect
mustn't I have retold? mustn't you have retold? mustn't he have retold? mustn't we have retold? mustn't you have retold? mustn't they have retold?
V-ing perfect
mustn't I have been retelling? mustn't you have been retelling? mustn't he have been retelling? mustn't we have been retelling? mustn't you have been retelling? mustn't they have been retelling?