I ought to machine you ought to machine she ought to machine we ought to machine you ought to machine they ought to machine
V-ing form
I ought to be machining you ought to be machining she ought to be machining we ought to be machining you ought to be machining they ought to be machining
Perfect
I ought to have machined you ought to have machined she ought to have machined we ought to have machined you ought to have machined they ought to have machined
V-ing perfect
I ought to have been machining you ought to have been machining she ought to have been machining we ought to have been machining you ought to have been machining they ought to have been machining
Negation
Simple form
I ought not to machine you ought not to machine she ought not to machine we ought not to machine you ought not to machine they ought not to machine
V-ing form
I ought not to machining you ought not to machining she ought not to machining we ought not to machining you ought not to machining they ought not to machining
Perfect
I ought not to have machined you ought not to have machined she ought not to have machined we ought not to have machined you ought not to have machined they ought not to have machined
V-ing perfect
I ought not to have been machining you ought not to have been machining she ought not to have been machining we ought not to have been machining you ought not to have been machining they ought not to have been machining
Interrogative form
Simple form
ought to I machine? ought to you machine? ought to she machine? ought to we machine? ought to you machine? ought to they machine?
V-ing form
ought to I be machining? ought to you be machining? ought to she be machining? ought to we be machining? ought to you be machining? ought to they be machining?
Perfect
ought to I have machined? ought to you have machined? ought to she have machined? ought to we have machined? ought to you have machined? ought to they have machined?
V-ing perfect
ought to I have been machining? ought to you have been machining? ought to she have been machining? ought to we have been machining? ought to you have been machining? ought to they have been machining?
Interro-negative form
Simple form
ought I not to machine? ought you not to machine? ought she not to machine? ought we not to machine? ought you not to machine? ought they not to machine?
V-ing form
ought I not to be machining? ought you not to be machining? ought she not to be machining? ought we not to be machining? ought you not to be machining? ought they not to be machining?
Perfect
ought I not to have machined? ought you not to have machined? ought she not to have machined? ought we not to have machined? ought you not to have machined? ought they not to have machined?
V-ing perfect
ought I not to have been machining? ought you not to have been machining? ought she not to have been machining? ought we not to have been machining? ought you not to have been machining? ought they not to have been machining?