English verb conjugation
MUST BODY-SURF

Regular verb: body-surf - body-surfed - body-surfed

Affirmation

Simple form	V-ing form
I must body-surf you must body-surf she must body-surf we must body-surf you must body-surf they must body-surf	I must be body-surfing you must be body-surfing she must be body-surfing we must be body-surfing you must be body-surfing they must be body-surfing
Perfect	V-ing perfect
I must have body-surfed you must have body-surfed she must have body-surfed we must have body-surfed you must have body-surfed they must have body-surfed	I must have been body-surfing you must have been body-surfing she must have been body-surfing we must have been body-surfing you must have been body-surfing they must have been body-surfing

Negation

Simple form	V-ing form
I must not body-surf you must not body-surf she must not body-surf we must not body-surf you must not body-surf they must not body-surf	I must not be body-surfing you must not be body-surfing she must not be body-surfing we must not be body-surfing you must not be body-surfing they must not be body-surfing
Perfect	V-ing perfect
I must not have body-surfed you must not have body-surfed she must not have body-surfed we must not have body-surfed you must not have body-surfed they must not have body-surfed	I must not have been body-surfing you must not have been body-surfing she must not have been body-surfing we must not have been body-surfing you must not have been body-surfing they must not have been body-surfing

Interrogative form

Simple form	V-ing form
must I body-surf? must you body-surf? must she body-surf? must we body-surf? must you body-surf? must they body-surf?	must I be body-surfing? must you be body-surfing? must she be body-surfing? must we be body-surfing? must you be body-surfing? must they be body-surfing?
Perfect	V-ing perfect
must I have body-surfed? must you have body-surfed? must she have body-surfed? must we have body-surfed? must you have body-surfed? must they have body-surfed?	must I have been body-surfing? must you have been body-surfing? must she have been body-surfing? must we have been body-surfing? must you have been body-surfing? must they have been body-surfing?

Interro-negative form

Simple form	V-ing form
must I not body-surf? must you not body-surf? must she not body-surf? must we not body-surf? must you not body-surf? must they not body-surf?	must I not be body-surfing? must you not be body-surfing? must she not be body-surfing? must we not be body-surfing? must you not be body-surfing? must they not be body-surfing?
Perfect	V-ing perfect
must I not have body-surfed? must you not have body-surfed? must she not have body-surfed? must we not have body-surfed? must you not have body-surfed? must they not have body-surfed?	must I not have been body-surfing? must you not have been body-surfing? must she not have been body-surfing? must we not have been body-surfing? must you not have been body-surfing? must they not have been body-surfing?