ought to file
Regular verb: file - filed- filed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to file
you ought to file
she ought to file
we ought to file
you ought to file
they ought to file 	I ought to be filing
you ought to be filing
she ought to be filing
we ought to be filing
you ought to be filing
they ought to be filing	I ought to have filed
you ought to have filed
she ought to have filed
we ought to have filed
you ought to have filed
they ought to have filed	I ought to have been filing
you ought to have been filing
she ought to have been filing
we ought to have been filing
you ought to have been filing
they ought to have been filing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to file
you oughtn't to file
she oughtn't to file
we oughtn't to file
you oughtn't to file
they oughtn't to file 	I oughtn't to be filing
you oughtn't to be filing
she oughtn't to be filing
we oughtn't to be filing
you oughtn't to be filing
they oughtn't to be filing	I oughtn't to have filed
you oughtn't to have filed
she oughtn't to have filed
we oughtn't to have filed
you oughtn't to have filed
they oughtn't to have filed	I oughtn't to have been filing
you oughtn't to have been filing
she oughtn't to have been filing
we oughtn't to have been filing
you oughtn't to have been filing
they oughtn't to have been filing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I file?
ought to you file?
ought to she file?
ought to we file?
ought to you file?
ought to they file? 	ought to I be filing?
ought to you be filing?
ought to she be filing?
ought to we be filing?
ought to you be filing?
ought to they be filing? 	ought to I have filed?
ought to you have filed?
ought to she have filed?
ought to we have filed?
ought to you have filed?
ought to they have filed? 	ought to I have been filing?
ought to you have been filing?
ought to she have been filing?
ought to we have been filing?
ought to you have been filing?
ought to they have been filing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to file?
oughtn't you to file?
oughtn't she to file?
oughtn't we to file?
oughtn't you to file?
oughtn't they to file? 	oughtn't I to be filing?
oughtn't you to be filing?
oughtn't she to be filing?
oughtn't we to be filing?
oughtn't you to be filing?
oughtn't they to be filing? 	oughtn't I to have filed?
oughtn't you to have filed?
oughtn't she to have filed?
oughtn't we to have filed?
oughtn't you to have filed?
oughtn't they to have filed? 	oughtn't I to have been filing?
oughtn't you to have been filing?
oughtn't she to have been filing?
oughtn't we to have been filing?
oughtn't you to have been filing?
oughtn't they to have been filing?