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 oughtn't to machine you oughtn't to machine she oughtn't to machine we oughtn't to machine you oughtn't to machine they oughtn't to machine
V-ing form
I oughtn't to be machining you oughtn't to be machining she oughtn't to be machining we oughtn't to be machining you oughtn't to be machining they oughtn't to be machining
Perfect
I oughtn't to have machined you oughtn't to have machined she oughtn't to have machined we oughtn't to have machined you oughtn't to have machined they oughtn't to have machined
V-ing perfect
I oughtn't to have been machining you oughtn't to have been machining she oughtn't to have been machining we oughtn't to have been machining you oughtn't to have been machining they oughtn't 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
oughtn't I to machine? oughtn't you to machine? oughtn't she to machine? oughtn't we to machine? oughtn't you to machine? oughtn't they to machine?
V-ing form
oughtn't I to be machining? oughtn't you to be machining? oughtn't she to be machining? oughtn't we to be machining? oughtn't you to be machining? oughtn't they to be machining?
Perfect
oughtn't I to have machined? oughtn't you to have machined? oughtn't she to have machined? oughtn't we to have machined? oughtn't you to have machined? oughtn't they to have machined?
V-ing perfect
oughtn't I to have been machining? oughtn't you to have been machining? oughtn't she to have been machining? oughtn't we to have been machining? oughtn't you to have been machining? oughtn't they to have been machining?