ought to spar
Regular verb: spar - sparred- sparred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to spar
you ought to spar
she 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
she ought to be sparring
we ought to be sparring
you ought to be sparring
they ought to be sparring	I ought to have sparred
you ought to have sparred
she 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
she 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 	Perfect 	V-ing perfect 	
I oughtn't to spar
you oughtn't to spar
she oughtn't to spar
we oughtn't to spar
you oughtn't to spar
they oughtn't to spar 	I oughtn't to be sparring
you oughtn't to be sparring
she oughtn't to be sparring
we oughtn't to be sparring
you oughtn't to be sparring
they oughtn't to be sparring	I oughtn't to have sparred
you oughtn't to have sparred
she oughtn't to have sparred
we oughtn't to have sparred
you oughtn't to have sparred
they oughtn't to have sparred	I oughtn't to have been sparring
you oughtn't to have been sparring
she oughtn't to have been sparring
we oughtn't to have been sparring
you oughtn't to have been sparring
they oughtn't to have been sparring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I spar?
ought to you spar?
ought to she 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 she be sparring?
ought to we be sparring?
ought to you be sparring?
ought to they be sparring? 	ought to I have sparred?
ought to you have sparred?
ought to she 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 she 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 	Perfect 	V-ing perfect 	
oughtn't I to spar?
oughtn't you to spar?
oughtn't she to spar?
oughtn't we to spar?
oughtn't you to spar?
oughtn't they to spar? 	oughtn't I to be sparring?
oughtn't you to be sparring?
oughtn't she to be sparring?
oughtn't we to be sparring?
oughtn't you to be sparring?
oughtn't they to be sparring? 	oughtn't I to have sparred?
oughtn't you to have sparred?
oughtn't she to have sparred?
oughtn't we to have sparred?
oughtn't you to have sparred?
oughtn't they to have sparred? 	oughtn't I to have been sparring?
oughtn't you to have been sparring?
oughtn't she to have been sparring?
oughtn't we to have been sparring?
oughtn't you to have been sparring?
oughtn't they to have been sparring?