ought to silt
Regular verb: silt - silted- silted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to silt
you ought to silt
he ought to silt
we ought to silt
you ought to silt
they ought to silt 	I ought to be silting
you ought to be silting
he ought to be silting
we ought to be silting
you ought to be silting
they ought to be silting	I ought to have silted
you ought to have silted
he ought to have silted
we ought to have silted
you ought to have silted
they ought to have silted	I ought to have been silting
you ought to have been silting
he ought to have been silting
we ought to have been silting
you ought to have been silting
they ought to have been silting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to silt
you oughtn't to silt
he oughtn't to silt
we oughtn't to silt
you oughtn't to silt
they oughtn't to silt 	I oughtn't to be silting
you oughtn't to be silting
he oughtn't to be silting
we oughtn't to be silting
you oughtn't to be silting
they oughtn't to be silting	I oughtn't to have silted
you oughtn't to have silted
he oughtn't to have silted
we oughtn't to have silted
you oughtn't to have silted
they oughtn't to have silted	I oughtn't to have been silting
you oughtn't to have been silting
he oughtn't to have been silting
we oughtn't to have been silting
you oughtn't to have been silting
they oughtn't to have been silting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I silt?
ought to you silt?
ought to he silt?
ought to we silt?
ought to you silt?
ought to they silt? 	ought to I be silting?
ought to you be silting?
ought to he be silting?
ought to we be silting?
ought to you be silting?
ought to they be silting? 	ought to I have silted?
ought to you have silted?
ought to he have silted?
ought to we have silted?
ought to you have silted?
ought to they have silted? 	ought to I have been silting?
ought to you have been silting?
ought to he have been silting?
ought to we have been silting?
ought to you have been silting?
ought to they have been silting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to silt?
oughtn't you to silt?
oughtn't he to silt?
oughtn't we to silt?
oughtn't you to silt?
oughtn't they to silt? 	oughtn't I to be silting?
oughtn't you to be silting?
oughtn't he to be silting?
oughtn't we to be silting?
oughtn't you to be silting?
oughtn't they to be silting? 	oughtn't I to have silted?
oughtn't you to have silted?
oughtn't he to have silted?
oughtn't we to have silted?
oughtn't you to have silted?
oughtn't they to have silted? 	oughtn't I to have been silting?
oughtn't you to have been silting?
oughtn't he to have been silting?
oughtn't we to have been silting?
oughtn't you to have been silting?
oughtn't they to have been silting?