ought to ameliorate
Regular verb: ameliorate - ameliorated- ameliorated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to ameliorate
you ought to ameliorate
he ought to ameliorate
we ought to ameliorate
you ought to ameliorate
they ought to ameliorate 	I ought to be ameliorating
you ought to be ameliorating
he ought to be ameliorating
we ought to be ameliorating
you ought to be ameliorating
they ought to be ameliorating	I ought to have ameliorated
you ought to have ameliorated
he ought to have ameliorated
we ought to have ameliorated
you ought to have ameliorated
they ought to have ameliorated	I ought to have been ameliorating
you ought to have been ameliorating
he ought to have been ameliorating
we ought to have been ameliorating
you ought to have been ameliorating
they ought to have been ameliorating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to ameliorate
you oughtn't to ameliorate
he oughtn't to ameliorate
we oughtn't to ameliorate
you oughtn't to ameliorate
they oughtn't to ameliorate 	I oughtn't to be ameliorating
you oughtn't to be ameliorating
he oughtn't to be ameliorating
we oughtn't to be ameliorating
you oughtn't to be ameliorating
they oughtn't to be ameliorating	I oughtn't to have ameliorated
you oughtn't to have ameliorated
he oughtn't to have ameliorated
we oughtn't to have ameliorated
you oughtn't to have ameliorated
they oughtn't to have ameliorated	I oughtn't to have been ameliorating
you oughtn't to have been ameliorating
he oughtn't to have been ameliorating
we oughtn't to have been ameliorating
you oughtn't to have been ameliorating
they oughtn't to have been ameliorating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I ameliorate?
ought to you ameliorate?
ought to he ameliorate?
ought to we ameliorate?
ought to you ameliorate?
ought to they ameliorate? 	ought to I be ameliorating?
ought to you be ameliorating?
ought to he be ameliorating?
ought to we be ameliorating?
ought to you be ameliorating?
ought to they be ameliorating? 	ought to I have ameliorated?
ought to you have ameliorated?
ought to he have ameliorated?
ought to we have ameliorated?
ought to you have ameliorated?
ought to they have ameliorated? 	ought to I have been ameliorating?
ought to you have been ameliorating?
ought to he have been ameliorating?
ought to we have been ameliorating?
ought to you have been ameliorating?
ought to they have been ameliorating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to ameliorate?
oughtn't you to ameliorate?
oughtn't he to ameliorate?
oughtn't we to ameliorate?
oughtn't you to ameliorate?
oughtn't they to ameliorate? 	oughtn't I to be ameliorating?
oughtn't you to be ameliorating?
oughtn't he to be ameliorating?
oughtn't we to be ameliorating?
oughtn't you to be ameliorating?
oughtn't they to be ameliorating? 	oughtn't I to have ameliorated?
oughtn't you to have ameliorated?
oughtn't he to have ameliorated?
oughtn't we to have ameliorated?
oughtn't you to have ameliorated?
oughtn't they to have ameliorated? 	oughtn't I to have been ameliorating?
oughtn't you to have been ameliorating?
oughtn't he to have been ameliorating?
oughtn't we to have been ameliorating?
oughtn't you to have been ameliorating?
oughtn't they to have been ameliorating?