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