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