ought to fever
Regular verb: fever - fevered- fevered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to fever
you ought to fever
she ought to fever
we ought to fever
you ought to fever
they ought to fever 	I ought to be fevering
you ought to be fevering
she ought to be fevering
we ought to be fevering
you ought to be fevering
they ought to be fevering	I ought to have fevered
you ought to have fevered
she ought to have fevered
we ought to have fevered
you ought to have fevered
they ought to have fevered	I ought to have been fevering
you ought to have been fevering
she ought to have been fevering
we ought to have been fevering
you ought to have been fevering
they ought to have been fevering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to fever
you ought not to fever
she ought not to fever
we ought not to fever
you ought not to fever
they ought not to fever 	I ought not to fevering
you ought not to fevering
she ought not to fevering
we ought not to fevering
you ought not to fevering
they ought not to fevering	I ought not to have fevered
you ought not to have fevered
she ought not to have fevered
we ought not to have fevered
you ought not to have fevered
they ought not to have fevered	I ought not to have been fevering
you ought not to have been fevering
she ought not to have been fevering
we ought not to have been fevering
you ought not to have been fevering
they ought not to have been fevering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I fever?
ought to you fever?
ought to she fever?
ought to we fever?
ought to you fever?
ought to they fever? 	ought to I be fevering?
ought to you be fevering?
ought to she be fevering?
ought to we be fevering?
ought to you be fevering?
ought to they be fevering? 	ought to I have fevered?
ought to you have fevered?
ought to she have fevered?
ought to we have fevered?
ought to you have fevered?
ought to they have fevered? 	ought to I have been fevering?
ought to you have been fevering?
ought to she have been fevering?
ought to we have been fevering?
ought to you have been fevering?
ought to they have been fevering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to fever?
ought you not to fever?
ought she not to fever?
ought we not to fever?
ought you not to fever?
ought they not to fever? 	ought I not to be fevering?
ought you not to be fevering?
ought she not to be fevering?
ought we not to be fevering?
ought you not to be fevering?
ought they not to be fevering? 	ought I not to have fevered?
ought you not to have fevered?
ought she not to have fevered?
ought we not to have fevered?
ought you not to have fevered?
ought they not to have fevered? 	ought I not to have been fevering?
ought you not to have been fevering?
ought she not to have been fevering?
ought we not to have been fevering?
ought you not to have been fevering?
ought they not to have been fevering?