I ought to instrument you ought to instrument he ought to instrument we ought to instrument you ought to instrument they ought to instrument
V-ing form
I ought to be instrumenting you ought to be instrumenting he ought to be instrumenting we ought to be instrumenting you ought to be instrumenting they ought to be instrumenting
Perfect
I ought to have instrumented you ought to have instrumented he ought to have instrumented we ought to have instrumented you ought to have instrumented they ought to have instrumented
V-ing perfect
I ought to have been instrumenting you ought to have been instrumenting he ought to have been instrumenting we ought to have been instrumenting you ought to have been instrumenting they ought to have been instrumenting
Negation
Simple form
I oughtn't to instrument you oughtn't to instrument he oughtn't to instrument we oughtn't to instrument you oughtn't to instrument they oughtn't to instrument
V-ing form
I oughtn't to be instrumenting you oughtn't to be instrumenting he oughtn't to be instrumenting we oughtn't to be instrumenting you oughtn't to be instrumenting they oughtn't to be instrumenting
Perfect
I oughtn't to have instrumented you oughtn't to have instrumented he oughtn't to have instrumented we oughtn't to have instrumented you oughtn't to have instrumented they oughtn't to have instrumented
V-ing perfect
I oughtn't to have been instrumenting you oughtn't to have been instrumenting he oughtn't to have been instrumenting we oughtn't to have been instrumenting you oughtn't to have been instrumenting they oughtn't to have been instrumenting
Interrogative form
Simple form
ought to I instrument? ought to you instrument? ought to he instrument? ought to we instrument? ought to you instrument? ought to they instrument?
V-ing form
ought to I be instrumenting? ought to you be instrumenting? ought to he be instrumenting? ought to we be instrumenting? ought to you be instrumenting? ought to they be instrumenting?
Perfect
ought to I have instrumented? ought to you have instrumented? ought to he have instrumented? ought to we have instrumented? ought to you have instrumented? ought to they have instrumented?
V-ing perfect
ought to I have been instrumenting? ought to you have been instrumenting? ought to he have been instrumenting? ought to we have been instrumenting? ought to you have been instrumenting? ought to they have been instrumenting?
Interro-negative form
Simple form
oughtn't I to instrument? oughtn't you to instrument? oughtn't he to instrument? oughtn't we to instrument? oughtn't you to instrument? oughtn't they to instrument?
V-ing form
oughtn't I to be instrumenting? oughtn't you to be instrumenting? oughtn't he to be instrumenting? oughtn't we to be instrumenting? oughtn't you to be instrumenting? oughtn't they to be instrumenting?
Perfect
oughtn't I to have instrumented? oughtn't you to have instrumented? oughtn't he to have instrumented? oughtn't we to have instrumented? oughtn't you to have instrumented? oughtn't they to have instrumented?
V-ing perfect
oughtn't I to have been instrumenting? oughtn't you to have been instrumenting? oughtn't he to have been instrumenting? oughtn't we to have been instrumenting? oughtn't you to have been instrumenting? oughtn't they to have been instrumenting?