ought to expurgate
Regular verb: expurgate - expurgated- expurgated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to expurgate
you ought to expurgate
he ought to expurgate
we ought to expurgate
you ought to expurgate
they ought to expurgate 	I ought to be expurgating
you ought to be expurgating
he ought to be expurgating
we ought to be expurgating
you ought to be expurgating
they ought to be expurgating	I ought to have expurgated
you ought to have expurgated
he ought to have expurgated
we ought to have expurgated
you ought to have expurgated
they ought to have expurgated	I ought to have been expurgating
you ought to have been expurgating
he ought to have been expurgating
we ought to have been expurgating
you ought to have been expurgating
they ought to have been expurgating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to expurgate
you ought not to expurgate
he ought not to expurgate
we ought not to expurgate
you ought not to expurgate
they ought not to expurgate 	I ought not to expurgating
you ought not to expurgating
he ought not to expurgating
we ought not to expurgating
you ought not to expurgating
they ought not to expurgating	I ought not to have expurgated
you ought not to have expurgated
he ought not to have expurgated
we ought not to have expurgated
you ought not to have expurgated
they ought not to have expurgated	I ought not to have been expurgating
you ought not to have been expurgating
he ought not to have been expurgating
we ought not to have been expurgating
you ought not to have been expurgating
they ought not to have been expurgating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I expurgate?
ought to you expurgate?
ought to he expurgate?
ought to we expurgate?
ought to you expurgate?
ought to they expurgate? 	ought to I be expurgating?
ought to you be expurgating?
ought to he be expurgating?
ought to we be expurgating?
ought to you be expurgating?
ought to they be expurgating? 	ought to I have expurgated?
ought to you have expurgated?
ought to he have expurgated?
ought to we have expurgated?
ought to you have expurgated?
ought to they have expurgated? 	ought to I have been expurgating?
ought to you have been expurgating?
ought to he have been expurgating?
ought to we have been expurgating?
ought to you have been expurgating?
ought to they have been expurgating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to expurgate?
ought you not to expurgate?
ought he not to expurgate?
ought we not to expurgate?
ought you not to expurgate?
ought they not to expurgate? 	ought I not to be expurgating?
ought you not to be expurgating?
ought he not to be expurgating?
ought we not to be expurgating?
ought you not to be expurgating?
ought they not to be expurgating? 	ought I not to have expurgated?
ought you not to have expurgated?
ought he not to have expurgated?
ought we not to have expurgated?
ought you not to have expurgated?
ought they not to have expurgated? 	ought I not to have been expurgating?
ought you not to have been expurgating?
ought he not to have been expurgating?
ought we not to have been expurgating?
ought you not to have been expurgating?
ought they not to have been expurgating?