English verb conjugation CAN GRADE

Regular verb: grade - graded - graded

Affirmation

Simple form

I can grade
you can grade
he can grade
we can grade
you can grade
they can grade

V-ing form

I can be grading
you can be grading
he can be grading
we can be grading
you can be grading
they can be grading

Perfect

I can have graded
you can have graded
he can have graded
we can have graded
you can have graded
they can have graded

V-ing perfect

I can have been grading
you can have been grading
he can have been grading
we can have been grading
you can have been grading
they can have been grading

Negation

Simple form

I can't grade
you can't grade
he can't grade
we can't grade
you can't grade
they can't grade

V-ing form

I can't be grading
you can't be grading
he can't be grading
we can't be grading
you can't be grading
they can't be grading

Perfect

I can't have graded
you can't have graded
he can't have graded
we can't have graded
you can't have graded
they can't have graded

V-ing perfect

I can't have been grading
you can't have been grading
he can't have been grading
we can't have been grading
you can't have been grading
they can't have been grading

Interrogative form

Simple form

can I grade?
can you grade?
can he grade?
can we grade?
can you grade?
can they grade?

V-ing form

can I be grading?
can you be grading?
can he be grading?
can we be grading?
can you be grading?
can they be grading?

Perfect

can I have graded?
can you have graded?
can he have graded?
can we have graded?
can you have graded?
can they have graded?

V-ing perfect

can I have been grading?
can you have been grading?
can he have been grading?
can we have been grading?
can you have been grading?
can they have been grading?

Interro-negative form

Simple form

can't I grade?
can't you grade?
can't he grade?
can't we grade?
can't you grade?
can't they grade?

V-ing form

can't I be grading?
can't you be grading?
can't he be grading?
can't we be grading?
can't you be grading?
can't they be grading?

Perfect

can't I have graded?
can't you have graded?
can't he have graded?
can't we have graded?
can't you have graded?
can't they have graded?

V-ing perfect

can't I have been grading?
can't you have been grading?
can't he have been grading?
can't we have been grading?
can't you have been grading?
can't they have been grading?

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