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