ought to devise
Regular verb: devise - devised- devised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to devise
you ought to devise
he ought to devise
we ought to devise
you ought to devise
they ought to devise 	I ought to be devising
you ought to be devising
he ought to be devising
we ought to be devising
you ought to be devising
they ought to be devising	I ought to have devised
you ought to have devised
he ought to have devised
we ought to have devised
you ought to have devised
they ought to have devised	I ought to have been devising
you ought to have been devising
he ought to have been devising
we ought to have been devising
you ought to have been devising
they ought to have been devising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to devise
you ought not to devise
he ought not to devise
we ought not to devise
you ought not to devise
they ought not to devise 	I ought not to devising
you ought not to devising
he ought not to devising
we ought not to devising
you ought not to devising
they ought not to devising	I ought not to have devised
you ought not to have devised
he ought not to have devised
we ought not to have devised
you ought not to have devised
they ought not to have devised	I ought not to have been devising
you ought not to have been devising
he ought not to have been devising
we ought not to have been devising
you ought not to have been devising
they ought not to have been devising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I devise?
ought to you devise?
ought to he devise?
ought to we devise?
ought to you devise?
ought to they devise? 	ought to I be devising?
ought to you be devising?
ought to he be devising?
ought to we be devising?
ought to you be devising?
ought to they be devising? 	ought to I have devised?
ought to you have devised?
ought to he have devised?
ought to we have devised?
ought to you have devised?
ought to they have devised? 	ought to I have been devising?
ought to you have been devising?
ought to he have been devising?
ought to we have been devising?
ought to you have been devising?
ought to they have been devising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to devise?
ought you not to devise?
ought he not to devise?
ought we not to devise?
ought you not to devise?
ought they not to devise? 	ought I not to be devising?
ought you not to be devising?
ought he not to be devising?
ought we not to be devising?
ought you not to be devising?
ought they not to be devising? 	ought I not to have devised?
ought you not to have devised?
ought he not to have devised?
ought we not to have devised?
ought you not to have devised?
ought they not to have devised? 	ought I not to have been devising?
ought you not to have been devising?
ought he not to have been devising?
ought we not to have been devising?
ought you not to have been devising?
ought they not to have been devising?