English verb conjugation
OUGHT TO SPAR

Regular verb: spar - sparred - sparred

Affirmation

Simple form	V-ing form
I ought to spar you ought to spar he ought to spar we ought to spar you ought to spar they ought to spar	I ought to be sparring you ought to be sparring he ought to be sparring we ought to be sparring you ought to be sparring they ought to be sparring
Perfect	V-ing perfect
I ought to have sparred you ought to have sparred he ought to have sparred we ought to have sparred you ought to have sparred they ought to have sparred	I ought to have been sparring you ought to have been sparring he ought to have been sparring we ought to have been sparring you ought to have been sparring they ought to have been sparring

Negation

Simple form	V-ing form
I ought not to spar you ought not to spar he ought not to spar we ought not to spar you ought not to spar they ought not to spar	I ought not to sparring you ought not to sparring he ought not to sparring we ought not to sparring you ought not to sparring they ought not to sparring
Perfect	V-ing perfect
I ought not to have sparred you ought not to have sparred he ought not to have sparred we ought not to have sparred you ought not to have sparred they ought not to have sparred	I ought not to have been sparring you ought not to have been sparring he ought not to have been sparring we ought not to have been sparring you ought not to have been sparring they ought not to have been sparring

Interrogative form

Simple form	V-ing form
ought to I spar? ought to you spar? ought to he spar? ought to we spar? ought to you spar? ought to they spar?	ought to I be sparring? ought to you be sparring? ought to he be sparring? ought to we be sparring? ought to you be sparring? ought to they be sparring?
Perfect	V-ing perfect
ought to I have sparred? ought to you have sparred? ought to he have sparred? ought to we have sparred? ought to you have sparred? ought to they have sparred?	ought to I have been sparring? ought to you have been sparring? ought to he have been sparring? ought to we have been sparring? ought to you have been sparring? ought to they have been sparring?

Interro-negative form

Simple form	V-ing form
ought I not to spar? ought you not to spar? ought he not to spar? ought we not to spar? ought you not to spar? ought they not to spar?	ought I not to be sparring? ought you not to be sparring? ought he not to be sparring? ought we not to be sparring? ought you not to be sparring? ought they not to be sparring?
Perfect	V-ing perfect
ought I not to have sparred? ought you not to have sparred? ought he not to have sparred? ought we not to have sparred? ought you not to have sparred? ought they not to have sparred?	ought I not to have been sparring? ought you not to have been sparring? ought he not to have been sparring? ought we not to have been sparring? ought you not to have been sparring? ought they not to have been sparring?