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
she 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
she 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
she 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
she 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
she 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
she 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
she 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
she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?