English verb conjugation
MUST SHOULDER

Regular verb: shoulder - shouldered - shouldered

Affirmation

Simple form	V-ing form
I must shoulder you must shoulder he must shoulder we must shoulder you must shoulder they must shoulder	I must be shouldering you must be shouldering he must be shouldering we must be shouldering you must be shouldering they must be shouldering
Perfect	V-ing perfect
I must have shouldered you must have shouldered he must have shouldered we must have shouldered you must have shouldered they must have shouldered	I must have been shouldering you must have been shouldering he must have been shouldering we must have been shouldering you must have been shouldering they must have been shouldering

Negation

Simple form	V-ing form
I mustn't shoulder you mustn't shoulder he mustn't shoulder we mustn't shoulder you mustn't shoulder they mustn't shoulder	I mustn't be shouldering you mustn't be shouldering he mustn't be shouldering we mustn't be shouldering you mustn't be shouldering they mustn't be shouldering
Perfect	V-ing perfect
I mustn't have shouldered you mustn't have shouldered he mustn't have shouldered we mustn't have shouldered you mustn't have shouldered they mustn't have shouldered	I mustn't have been shouldering you mustn't have been shouldering he mustn't have been shouldering we mustn't have been shouldering you mustn't have been shouldering they mustn't have been shouldering

Interrogative form

Simple form	V-ing form
must I shoulder? must you shoulder? must he shoulder? must we shoulder? must you shoulder? must they shoulder?	must I be shouldering? must you be shouldering? must he be shouldering? must we be shouldering? must you be shouldering? must they be shouldering?
Perfect	V-ing perfect
must I have shouldered? must you have shouldered? must he have shouldered? must we have shouldered? must you have shouldered? must they have shouldered?	must I have been shouldering? must you have been shouldering? must he have been shouldering? must we have been shouldering? must you have been shouldering? must they have been shouldering?

Interro-negative form

Simple form	V-ing form
mustn't I shoulder? mustn't you shoulder? mustn't he shoulder? mustn't we shoulder? mustn't you shoulder? mustn't they shoulder?	mustn't I be shouldering? mustn't you be shouldering? mustn't he be shouldering? mustn't we be shouldering? mustn't you be shouldering? mustn't they be shouldering?
Perfect	V-ing perfect
mustn't I have shouldered? mustn't you have shouldered? mustn't he have shouldered? mustn't we have shouldered? mustn't you have shouldered? mustn't they have shouldered?	mustn't I have been shouldering? mustn't you have been shouldering? mustn't he have been shouldering? mustn't we have been shouldering? mustn't you have been shouldering? mustn't they have been shouldering?