ought to scheme
Regular verb: scheme - schemed- schemed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to scheme
you ought to scheme
she ought to scheme
we ought to scheme
you ought to scheme
they ought to scheme 	I ought to be scheming
you ought to be scheming
she ought to be scheming
we ought to be scheming
you ought to be scheming
they ought to be scheming	I ought to have schemed
you ought to have schemed
she ought to have schemed
we ought to have schemed
you ought to have schemed
they ought to have schemed	I ought to have been scheming
you ought to have been scheming
she ought to have been scheming
we ought to have been scheming
you ought to have been scheming
they ought to have been scheming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to scheme
you ought not to scheme
she ought not to scheme
we ought not to scheme
you ought not to scheme
they ought not to scheme 	I ought not to scheming
you ought not to scheming
she ought not to scheming
we ought not to scheming
you ought not to scheming
they ought not to scheming	I ought not to have schemed
you ought not to have schemed
she ought not to have schemed
we ought not to have schemed
you ought not to have schemed
they ought not to have schemed	I ought not to have been scheming
you ought not to have been scheming
she ought not to have been scheming
we ought not to have been scheming
you ought not to have been scheming
they ought not to have been scheming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I scheme?
ought to you scheme?
ought to she scheme?
ought to we scheme?
ought to you scheme?
ought to they scheme? 	ought to I be scheming?
ought to you be scheming?
ought to she be scheming?
ought to we be scheming?
ought to you be scheming?
ought to they be scheming? 	ought to I have schemed?
ought to you have schemed?
ought to she have schemed?
ought to we have schemed?
ought to you have schemed?
ought to they have schemed? 	ought to I have been scheming?
ought to you have been scheming?
ought to she have been scheming?
ought to we have been scheming?
ought to you have been scheming?
ought to they have been scheming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to scheme?
ought you not to scheme?
ought she not to scheme?
ought we not to scheme?
ought you not to scheme?
ought they not to scheme? 	ought I not to be scheming?
ought you not to be scheming?
ought she not to be scheming?
ought we not to be scheming?
ought you not to be scheming?
ought they not to be scheming? 	ought I not to have schemed?
ought you not to have schemed?
ought she not to have schemed?
ought we not to have schemed?
ought you not to have schemed?
ought they not to have schemed? 	ought I not to have been scheming?
ought you not to have been scheming?
ought she not to have been scheming?
ought we not to have been scheming?
ought you not to have been scheming?
ought they not to have been scheming?