ought to volunteer
Regular verb: volunteer - volunteered- volunteered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to volunteer
you ought to volunteer
he ought to volunteer
we ought to volunteer
you ought to volunteer
they ought to volunteer 	I ought to be volunteering
you ought to be volunteering
he ought to be volunteering
we ought to be volunteering
you ought to be volunteering
they ought to be volunteering	I ought to have volunteered
you ought to have volunteered
he ought to have volunteered
we ought to have volunteered
you ought to have volunteered
they ought to have volunteered	I ought to have been volunteering
you ought to have been volunteering
he ought to have been volunteering
we ought to have been volunteering
you ought to have been volunteering
they ought to have been volunteering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to volunteer
you oughtn't to volunteer
he oughtn't to volunteer
we oughtn't to volunteer
you oughtn't to volunteer
they oughtn't to volunteer 	I oughtn't to be volunteering
you oughtn't to be volunteering
he oughtn't to be volunteering
we oughtn't to be volunteering
you oughtn't to be volunteering
they oughtn't to be volunteering	I oughtn't to have volunteered
you oughtn't to have volunteered
he oughtn't to have volunteered
we oughtn't to have volunteered
you oughtn't to have volunteered
they oughtn't to have volunteered	I oughtn't to have been volunteering
you oughtn't to have been volunteering
he oughtn't to have been volunteering
we oughtn't to have been volunteering
you oughtn't to have been volunteering
they oughtn't to have been volunteering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I volunteer?
ought to you volunteer?
ought to he volunteer?
ought to we volunteer?
ought to you volunteer?
ought to they volunteer? 	ought to I be volunteering?
ought to you be volunteering?
ought to he be volunteering?
ought to we be volunteering?
ought to you be volunteering?
ought to they be volunteering? 	ought to I have volunteered?
ought to you have volunteered?
ought to he have volunteered?
ought to we have volunteered?
ought to you have volunteered?
ought to they have volunteered? 	ought to I have been volunteering?
ought to you have been volunteering?
ought to he have been volunteering?
ought to we have been volunteering?
ought to you have been volunteering?
ought to they have been volunteering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to volunteer?
oughtn't you to volunteer?
oughtn't he to volunteer?
oughtn't we to volunteer?
oughtn't you to volunteer?
oughtn't they to volunteer? 	oughtn't I to be volunteering?
oughtn't you to be volunteering?
oughtn't he to be volunteering?
oughtn't we to be volunteering?
oughtn't you to be volunteering?
oughtn't they to be volunteering? 	oughtn't I to have volunteered?
oughtn't you to have volunteered?
oughtn't he to have volunteered?
oughtn't we to have volunteered?
oughtn't you to have volunteered?
oughtn't they to have volunteered? 	oughtn't I to have been volunteering?
oughtn't you to have been volunteering?
oughtn't he to have been volunteering?
oughtn't we to have been volunteering?
oughtn't you to have been volunteering?
oughtn't they to have been volunteering?