ought to decompose
Regular verb: decompose - decomposed- decomposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to decompose
you ought to decompose
he ought to decompose
we ought to decompose
you ought to decompose
they ought to decompose 	I ought to be decomposing
you ought to be decomposing
he ought to be decomposing
we ought to be decomposing
you ought to be decomposing
they ought to be decomposing	I ought to have decomposed
you ought to have decomposed
he ought to have decomposed
we ought to have decomposed
you ought to have decomposed
they ought to have decomposed	I ought to have been decomposing
you ought to have been decomposing
he ought to have been decomposing
we ought to have been decomposing
you ought to have been decomposing
they ought to have been decomposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to decompose
you oughtn't to decompose
he oughtn't to decompose
we oughtn't to decompose
you oughtn't to decompose
they oughtn't to decompose 	I oughtn't to be decomposing
you oughtn't to be decomposing
he oughtn't to be decomposing
we oughtn't to be decomposing
you oughtn't to be decomposing
they oughtn't to be decomposing	I oughtn't to have decomposed
you oughtn't to have decomposed
he oughtn't to have decomposed
we oughtn't to have decomposed
you oughtn't to have decomposed
they oughtn't to have decomposed	I oughtn't to have been decomposing
you oughtn't to have been decomposing
he oughtn't to have been decomposing
we oughtn't to have been decomposing
you oughtn't to have been decomposing
they oughtn't to have been decomposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I decompose?
ought to you decompose?
ought to he decompose?
ought to we decompose?
ought to you decompose?
ought to they decompose? 	ought to I be decomposing?
ought to you be decomposing?
ought to he be decomposing?
ought to we be decomposing?
ought to you be decomposing?
ought to they be decomposing? 	ought to I have decomposed?
ought to you have decomposed?
ought to he have decomposed?
ought to we have decomposed?
ought to you have decomposed?
ought to they have decomposed? 	ought to I have been decomposing?
ought to you have been decomposing?
ought to he have been decomposing?
ought to we have been decomposing?
ought to you have been decomposing?
ought to they have been decomposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to decompose?
oughtn't you to decompose?
oughtn't he to decompose?
oughtn't we to decompose?
oughtn't you to decompose?
oughtn't they to decompose? 	oughtn't I to be decomposing?
oughtn't you to be decomposing?
oughtn't he to be decomposing?
oughtn't we to be decomposing?
oughtn't you to be decomposing?
oughtn't they to be decomposing? 	oughtn't I to have decomposed?
oughtn't you to have decomposed?
oughtn't he to have decomposed?
oughtn't we to have decomposed?
oughtn't you to have decomposed?
oughtn't they to have decomposed? 	oughtn't I to have been decomposing?
oughtn't you to have been decomposing?
oughtn't he to have been decomposing?
oughtn't we to have been decomposing?
oughtn't you to have been decomposing?
oughtn't they to have been decomposing?