I must appraise you must appraise she must appraise we must appraise you must appraise they must appraise
V-ing form
I must be appraising you must be appraising she must be appraising we must be appraising you must be appraising they must be appraising
Perfect
I must have appraised you must have appraised she must have appraised we must have appraised you must have appraised they must have appraised
V-ing perfect
I must have been appraising you must have been appraising she must have been appraising we must have been appraising you must have been appraising they must have been appraising
Negation
Simple form
I mustn't appraise you mustn't appraise she mustn't appraise we mustn't appraise you mustn't appraise they mustn't appraise
V-ing form
I mustn't be appraising you mustn't be appraising she mustn't be appraising we mustn't be appraising you mustn't be appraising they mustn't be appraising
Perfect
I mustn't have appraised you mustn't have appraised she mustn't have appraised we mustn't have appraised you mustn't have appraised they mustn't have appraised
V-ing perfect
I mustn't have been appraising you mustn't have been appraising she mustn't have been appraising we mustn't have been appraising you mustn't have been appraising they mustn't have been appraising
Interrogative form
Simple form
must I appraise? must you appraise? must she appraise? must we appraise? must you appraise? must they appraise?
V-ing form
must I be appraising? must you be appraising? must she be appraising? must we be appraising? must you be appraising? must they be appraising?
Perfect
must I have appraised? must you have appraised? must she have appraised? must we have appraised? must you have appraised? must they have appraised?
V-ing perfect
must I have been appraising? must you have been appraising? must she have been appraising? must we have been appraising? must you have been appraising? must they have been appraising?
Interro-negative form
Simple form
mustn't I appraise? mustn't you appraise? mustn't she appraise? mustn't we appraise? mustn't you appraise? mustn't they appraise?
V-ing form
mustn't I be appraising? mustn't you be appraising? mustn't she be appraising? mustn't we be appraising? mustn't you be appraising? mustn't they be appraising?
Perfect
mustn't I have appraised? mustn't you have appraised? mustn't she have appraised? mustn't we have appraised? mustn't you have appraised? mustn't they have appraised?
V-ing perfect
mustn't I have been appraising? mustn't you have been appraising? mustn't she have been appraising? mustn't we have been appraising? mustn't you have been appraising? mustn't they have been appraising?