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