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