English verb conjugation
CAN HIGH-GRADE

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

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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