ought to slake
Regular verb: slake - slaked- slaked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to slake
you ought to slake
he ought to slake
we ought to slake
you ought to slake
they ought to slake 	I ought to be slaking
you ought to be slaking
he ought to be slaking
we ought to be slaking
you ought to be slaking
they ought to be slaking	I ought to have slaked
you ought to have slaked
he ought to have slaked
we ought to have slaked
you ought to have slaked
they ought to have slaked	I ought to have been slaking
you ought to have been slaking
he ought to have been slaking
we ought to have been slaking
you ought to have been slaking
they ought to have been slaking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to slake
you ought not to slake
he ought not to slake
we ought not to slake
you ought not to slake
they ought not to slake 	I ought not to slaking
you ought not to slaking
he ought not to slaking
we ought not to slaking
you ought not to slaking
they ought not to slaking	I ought not to have slaked
you ought not to have slaked
he ought not to have slaked
we ought not to have slaked
you ought not to have slaked
they ought not to have slaked	I ought not to have been slaking
you ought not to have been slaking
he ought not to have been slaking
we ought not to have been slaking
you ought not to have been slaking
they ought not to have been slaking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I slake?
ought to you slake?
ought to he slake?
ought to we slake?
ought to you slake?
ought to they slake? 	ought to I be slaking?
ought to you be slaking?
ought to he be slaking?
ought to we be slaking?
ought to you be slaking?
ought to they be slaking? 	ought to I have slaked?
ought to you have slaked?
ought to he have slaked?
ought to we have slaked?
ought to you have slaked?
ought to they have slaked? 	ought to I have been slaking?
ought to you have been slaking?
ought to he have been slaking?
ought to we have been slaking?
ought to you have been slaking?
ought to they have been slaking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to slake?
ought you not to slake?
ought he not to slake?
ought we not to slake?
ought you not to slake?
ought they not to slake? 	ought I not to be slaking?
ought you not to be slaking?
ought he not to be slaking?
ought we not to be slaking?
ought you not to be slaking?
ought they not to be slaking? 	ought I not to have slaked?
ought you not to have slaked?
ought he not to have slaked?
ought we not to have slaked?
ought you not to have slaked?
ought they not to have slaked? 	ought I not to have been slaking?
ought you not to have been slaking?
ought he not to have been slaking?
ought we not to have been slaking?
ought you not to have been slaking?
ought they not to have been slaking?