ought to snowplough
Regular verb: snowplough - snowploughed- snowploughed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to snowplough
you ought to snowplough
she ought to snowplough
we ought to snowplough
you ought to snowplough
they ought to snowplough 	I ought to be snowploughing
you ought to be snowploughing
she ought to be snowploughing
we ought to be snowploughing
you ought to be snowploughing
they ought to be snowploughing	I ought to have snowploughed
you ought to have snowploughed
she ought to have snowploughed
we ought to have snowploughed
you ought to have snowploughed
they ought to have snowploughed	I ought to have been snowploughing
you ought to have been snowploughing
she ought to have been snowploughing
we ought to have been snowploughing
you ought to have been snowploughing
they ought to have been snowploughing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to snowplough
you ought not to snowplough
she ought not to snowplough
we ought not to snowplough
you ought not to snowplough
they ought not to snowplough 	I ought not to snowploughing
you ought not to snowploughing
she ought not to snowploughing
we ought not to snowploughing
you ought not to snowploughing
they ought not to snowploughing	I ought not to have snowploughed
you ought not to have snowploughed
she ought not to have snowploughed
we ought not to have snowploughed
you ought not to have snowploughed
they ought not to have snowploughed	I ought not to have been snowploughing
you ought not to have been snowploughing
she ought not to have been snowploughing
we ought not to have been snowploughing
you ought not to have been snowploughing
they ought not to have been snowploughing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I snowplough?
ought to you snowplough?
ought to she snowplough?
ought to we snowplough?
ought to you snowplough?
ought to they snowplough? 	ought to I be snowploughing?
ought to you be snowploughing?
ought to she be snowploughing?
ought to we be snowploughing?
ought to you be snowploughing?
ought to they be snowploughing? 	ought to I have snowploughed?
ought to you have snowploughed?
ought to she have snowploughed?
ought to we have snowploughed?
ought to you have snowploughed?
ought to they have snowploughed? 	ought to I have been snowploughing?
ought to you have been snowploughing?
ought to she have been snowploughing?
ought to we have been snowploughing?
ought to you have been snowploughing?
ought to they have been snowploughing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to snowplough?
ought you not to snowplough?
ought she not to snowplough?
ought we not to snowplough?
ought you not to snowplough?
ought they not to snowplough? 	ought I not to be snowploughing?
ought you not to be snowploughing?
ought she not to be snowploughing?
ought we not to be snowploughing?
ought you not to be snowploughing?
ought they not to be snowploughing? 	ought I not to have snowploughed?
ought you not to have snowploughed?
ought she not to have snowploughed?
ought we not to have snowploughed?
ought you not to have snowploughed?
ought they not to have snowploughed? 	ought I not to have been snowploughing?
ought you not to have been snowploughing?
ought she not to have been snowploughing?
ought we not to have been snowploughing?
ought you not to have been snowploughing?
ought they not to have been snowploughing?