ought to decimate
Regular verb: decimate - decimated- decimated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to decimate
you ought to decimate
he ought to decimate
we ought to decimate
you ought to decimate
they ought to decimate 	I ought to be decimating
you ought to be decimating
he ought to be decimating
we ought to be decimating
you ought to be decimating
they ought to be decimating	I ought to have decimated
you ought to have decimated
he ought to have decimated
we ought to have decimated
you ought to have decimated
they ought to have decimated	I ought to have been decimating
you ought to have been decimating
he ought to have been decimating
we ought to have been decimating
you ought to have been decimating
they ought to have been decimating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to decimate
you oughtn't to decimate
he oughtn't to decimate
we oughtn't to decimate
you oughtn't to decimate
they oughtn't to decimate 	I oughtn't to be decimating
you oughtn't to be decimating
he oughtn't to be decimating
we oughtn't to be decimating
you oughtn't to be decimating
they oughtn't to be decimating	I oughtn't to have decimated
you oughtn't to have decimated
he oughtn't to have decimated
we oughtn't to have decimated
you oughtn't to have decimated
they oughtn't to have decimated	I oughtn't to have been decimating
you oughtn't to have been decimating
he oughtn't to have been decimating
we oughtn't to have been decimating
you oughtn't to have been decimating
they oughtn't to have been decimating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I decimate?
ought to you decimate?
ought to he decimate?
ought to we decimate?
ought to you decimate?
ought to they decimate? 	ought to I be decimating?
ought to you be decimating?
ought to he be decimating?
ought to we be decimating?
ought to you be decimating?
ought to they be decimating? 	ought to I have decimated?
ought to you have decimated?
ought to he have decimated?
ought to we have decimated?
ought to you have decimated?
ought to they have decimated? 	ought to I have been decimating?
ought to you have been decimating?
ought to he have been decimating?
ought to we have been decimating?
ought to you have been decimating?
ought to they have been decimating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to decimate?
oughtn't you to decimate?
oughtn't he to decimate?
oughtn't we to decimate?
oughtn't you to decimate?
oughtn't they to decimate? 	oughtn't I to be decimating?
oughtn't you to be decimating?
oughtn't he to be decimating?
oughtn't we to be decimating?
oughtn't you to be decimating?
oughtn't they to be decimating? 	oughtn't I to have decimated?
oughtn't you to have decimated?
oughtn't he to have decimated?
oughtn't we to have decimated?
oughtn't you to have decimated?
oughtn't they to have decimated? 	oughtn't I to have been decimating?
oughtn't you to have been decimating?
oughtn't he to have been decimating?
oughtn't we to have been decimating?
oughtn't you to have been decimating?
oughtn't they to have been decimating?