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 must not shoulder you must not shoulder he must not shoulder we must not shoulder you must not shoulder they must not shoulder	I must not be shouldering you must not be shouldering he must not be shouldering we must not be shouldering you must not be shouldering they must not be shouldering
Perfect	V-ing perfect
I must not have shouldered you must not have shouldered he must not have shouldered we must not have shouldered you must not have shouldered they must not have shouldered	I must not have been shouldering you must not have been shouldering he must not have been shouldering we must not have been shouldering you must not have been shouldering they must not 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
must I not shoulder? must you not shoulder? must he not shoulder? must we not shoulder? must you not shoulder? must they not shoulder?	must I not be shouldering? must you not be shouldering? must he not be shouldering? must we not be shouldering? must you not be shouldering? must they not be shouldering?
Perfect	V-ing perfect
must I not have shouldered? must you not have shouldered? must he not have shouldered? must we not have shouldered? must you not have shouldered? must they not have shouldered?	must I not have been shouldering? must you not have been shouldering? must he not have been shouldering? must we not have been shouldering? must you not have been shouldering? must they not have been shouldering?