English verb conjugation
MUST HIGH-GRADE

Regular verb: high-grade - high-graded - high-graded

Affirmation

Simple form	V-ing form
I must high-grade you must high-grade he must high-grade we must high-grade you must high-grade they must high-grade	I must be high-grading you must be high-grading he must be high-grading we must be high-grading you must be high-grading they must be high-grading
Perfect	V-ing perfect
I must have high-graded you must have high-graded he must have high-graded we must have high-graded you must have high-graded they must have high-graded	I must have been high-grading you must have been high-grading he must have been high-grading we must have been high-grading you must have been high-grading they must have been high-grading

Negation

Simple form	V-ing form
I must not high-grade you must not high-grade he must not high-grade we must not high-grade you must not high-grade they must not high-grade	I must not be high-grading you must not be high-grading he must not be high-grading we must not be high-grading you must not be high-grading they must not be high-grading
Perfect	V-ing perfect
I must not have high-graded you must not have high-graded he must not have high-graded we must not have high-graded you must not have high-graded they must not have high-graded	I must not have been high-grading you must not have been high-grading he must not have been high-grading we must not have been high-grading you must not have been high-grading they must not have been high-grading

Interrogative form

Simple form	V-ing form
must I high-grade? must you high-grade? must he high-grade? must we high-grade? must you high-grade? must they high-grade?	must I be high-grading? must you be high-grading? must he be high-grading? must we be high-grading? must you be high-grading? must they be high-grading?
Perfect	V-ing perfect
must I have high-graded? must you have high-graded? must he have high-graded? must we have high-graded? must you have high-graded? must they have high-graded?	must I have been high-grading? must you have been high-grading? must he have been high-grading? must we have been high-grading? must you have been high-grading? must they have been high-grading?

Interro-negative form

Simple form	V-ing form
must I not high-grade? must you not high-grade? must he not high-grade? must we not high-grade? must you not high-grade? must they not high-grade?	must I not be high-grading? must you not be high-grading? must he not be high-grading? must we not be high-grading? must you not be high-grading? must they not be high-grading?
Perfect	V-ing perfect
must I not have high-graded? must you not have high-graded? must he not have high-graded? must we not have high-graded? must you not have high-graded? must they not have high-graded?	must I not have been high-grading? must you not have been high-grading? must he not have been high-grading? must we not have been high-grading? must you not have been high-grading? must they not have been high-grading?