ought to scan
Regular verb: scan - scanned- scanned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to scan
you ought to scan
he ought to scan
we ought to scan
you ought to scan
they ought to scan 	I ought to be scanning
you ought to be scanning
he ought to be scanning
we ought to be scanning
you ought to be scanning
they ought to be scanning	I ought to have scanned
you ought to have scanned
he ought to have scanned
we ought to have scanned
you ought to have scanned
they ought to have scanned	I ought to have been scanning
you ought to have been scanning
he ought to have been scanning
we ought to have been scanning
you ought to have been scanning
they ought to have been scanning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to scan
you oughtn't to scan
he oughtn't to scan
we oughtn't to scan
you oughtn't to scan
they oughtn't to scan 	I oughtn't to be scanning
you oughtn't to be scanning
he oughtn't to be scanning
we oughtn't to be scanning
you oughtn't to be scanning
they oughtn't to be scanning	I oughtn't to have scanned
you oughtn't to have scanned
he oughtn't to have scanned
we oughtn't to have scanned
you oughtn't to have scanned
they oughtn't to have scanned	I oughtn't to have been scanning
you oughtn't to have been scanning
he oughtn't to have been scanning
we oughtn't to have been scanning
you oughtn't to have been scanning
they oughtn't to have been scanning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I scan?
ought to you scan?
ought to he scan?
ought to we scan?
ought to you scan?
ought to they scan? 	ought to I be scanning?
ought to you be scanning?
ought to he be scanning?
ought to we be scanning?
ought to you be scanning?
ought to they be scanning? 	ought to I have scanned?
ought to you have scanned?
ought to he have scanned?
ought to we have scanned?
ought to you have scanned?
ought to they have scanned? 	ought to I have been scanning?
ought to you have been scanning?
ought to he have been scanning?
ought to we have been scanning?
ought to you have been scanning?
ought to they have been scanning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to scan?
oughtn't you to scan?
oughtn't he to scan?
oughtn't we to scan?
oughtn't you to scan?
oughtn't they to scan? 	oughtn't I to be scanning?
oughtn't you to be scanning?
oughtn't he to be scanning?
oughtn't we to be scanning?
oughtn't you to be scanning?
oughtn't they to be scanning? 	oughtn't I to have scanned?
oughtn't you to have scanned?
oughtn't he to have scanned?
oughtn't we to have scanned?
oughtn't you to have scanned?
oughtn't they to have scanned? 	oughtn't I to have been scanning?
oughtn't you to have been scanning?
oughtn't he to have been scanning?
oughtn't we to have been scanning?
oughtn't you to have been scanning?
oughtn't they to have been scanning?