ought to regrind
Irregular verb: regrind - reground- reground

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to regrind
you ought to regrind
she ought to regrind
we ought to regrind
you ought to regrind
they ought to regrind 	I ought to be regrinding
you ought to be regrinding
she ought to be regrinding
we ought to be regrinding
you ought to be regrinding
they ought to be regrinding	I ought to have reground
you ought to have reground
she ought to have reground
we ought to have reground
you ought to have reground
they ought to have reground	I ought to have been regrinding
you ought to have been regrinding
she ought to have been regrinding
we ought to have been regrinding
you ought to have been regrinding
they ought to have been regrinding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to regrind
you oughtn't to regrind
she oughtn't to regrind
we oughtn't to regrind
you oughtn't to regrind
they oughtn't to regrind 	I oughtn't to be regrinding
you oughtn't to be regrinding
she oughtn't to be regrinding
we oughtn't to be regrinding
you oughtn't to be regrinding
they oughtn't to be regrinding	I oughtn't to have reground
you oughtn't to have reground
she oughtn't to have reground
we oughtn't to have reground
you oughtn't to have reground
they oughtn't to have reground	I oughtn't to have been regrinding
you oughtn't to have been regrinding
she oughtn't to have been regrinding
we oughtn't to have been regrinding
you oughtn't to have been regrinding
they oughtn't to have been regrinding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I regrind?
ought to you regrind?
ought to she regrind?
ought to we regrind?
ought to you regrind?
ought to they regrind? 	ought to I be regrinding?
ought to you be regrinding?
ought to she be regrinding?
ought to we be regrinding?
ought to you be regrinding?
ought to they be regrinding? 	ought to I have reground?
ought to you have reground?
ought to she have reground?
ought to we have reground?
ought to you have reground?
ought to they have reground? 	ought to I have been regrinding?
ought to you have been regrinding?
ought to she have been regrinding?
ought to we have been regrinding?
ought to you have been regrinding?
ought to they have been regrinding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to regrind?
oughtn't you to regrind?
oughtn't she to regrind?
oughtn't we to regrind?
oughtn't you to regrind?
oughtn't they to regrind? 	oughtn't I to be regrinding?
oughtn't you to be regrinding?
oughtn't she to be regrinding?
oughtn't we to be regrinding?
oughtn't you to be regrinding?
oughtn't they to be regrinding? 	oughtn't I to have reground?
oughtn't you to have reground?
oughtn't she to have reground?
oughtn't we to have reground?
oughtn't you to have reground?
oughtn't they to have reground? 	oughtn't I to have been regrinding?
oughtn't you to have been regrinding?
oughtn't she to have been regrinding?
oughtn't we to have been regrinding?
oughtn't you to have been regrinding?
oughtn't they to have been regrinding?