I ought to photocoagulate you ought to photocoagulate she ought to photocoagulate we ought to photocoagulate you ought to photocoagulate they ought to photocoagulate
V-ing form
I ought to be photocoagulating you ought to be photocoagulating she ought to be photocoagulating we ought to be photocoagulating you ought to be photocoagulating they ought to be photocoagulating
Perfect
I ought to have photocoagulated you ought to have photocoagulated she ought to have photocoagulated we ought to have photocoagulated you ought to have photocoagulated they ought to have photocoagulated
V-ing perfect
I ought to have been photocoagulating you ought to have been photocoagulating she ought to have been photocoagulating we ought to have been photocoagulating you ought to have been photocoagulating they ought to have been photocoagulating
Negation
Simple form
I oughtn't to photocoagulate you oughtn't to photocoagulate she oughtn't to photocoagulate we oughtn't to photocoagulate you oughtn't to photocoagulate they oughtn't to photocoagulate
V-ing form
I oughtn't to be photocoagulating you oughtn't to be photocoagulating she oughtn't to be photocoagulating we oughtn't to be photocoagulating you oughtn't to be photocoagulating they oughtn't to be photocoagulating
Perfect
I oughtn't to have photocoagulated you oughtn't to have photocoagulated she oughtn't to have photocoagulated we oughtn't to have photocoagulated you oughtn't to have photocoagulated they oughtn't to have photocoagulated
V-ing perfect
I oughtn't to have been photocoagulating you oughtn't to have been photocoagulating she oughtn't to have been photocoagulating we oughtn't to have been photocoagulating you oughtn't to have been photocoagulating they oughtn't to have been photocoagulating
Interrogative form
Simple form
ought to I photocoagulate? ought to you photocoagulate? ought to she photocoagulate? ought to we photocoagulate? ought to you photocoagulate? ought to they photocoagulate?
V-ing form
ought to I be photocoagulating? ought to you be photocoagulating? ought to she be photocoagulating? ought to we be photocoagulating? ought to you be photocoagulating? ought to they be photocoagulating?
Perfect
ought to I have photocoagulated? ought to you have photocoagulated? ought to she have photocoagulated? ought to we have photocoagulated? ought to you have photocoagulated? ought to they have photocoagulated?
V-ing perfect
ought to I have been photocoagulating? ought to you have been photocoagulating? ought to she have been photocoagulating? ought to we have been photocoagulating? ought to you have been photocoagulating? ought to they have been photocoagulating?
Interro-negative form
Simple form
oughtn't I to photocoagulate? oughtn't you to photocoagulate? oughtn't she to photocoagulate? oughtn't we to photocoagulate? oughtn't you to photocoagulate? oughtn't they to photocoagulate?
V-ing form
oughtn't I to be photocoagulating? oughtn't you to be photocoagulating? oughtn't she to be photocoagulating? oughtn't we to be photocoagulating? oughtn't you to be photocoagulating? oughtn't they to be photocoagulating?
Perfect
oughtn't I to have photocoagulated? oughtn't you to have photocoagulated? oughtn't she to have photocoagulated? oughtn't we to have photocoagulated? oughtn't you to have photocoagulated? oughtn't they to have photocoagulated?
V-ing perfect
oughtn't I to have been photocoagulating? oughtn't you to have been photocoagulating? oughtn't she to have been photocoagulating? oughtn't we to have been photocoagulating? oughtn't you to have been photocoagulating? oughtn't they to have been photocoagulating?