I ought to draught-proof you ought to draught-proof he ought to draught-proof we ought to draught-proof you ought to draught-proof they ought to draught-proof
V-ing form
I ought to be draught-proofing you ought to be draught-proofing he ought to be draught-proofing we ought to be draught-proofing you ought to be draught-proofing they ought to be draught-proofing
Perfect
I ought to have draught-proofed you ought to have draught-proofed he ought to have draught-proofed we ought to have draught-proofed you ought to have draught-proofed they ought to have draught-proofed
V-ing perfect
I ought to have been draught-proofing you ought to have been draught-proofing he ought to have been draught-proofing we ought to have been draught-proofing you ought to have been draught-proofing they ought to have been draught-proofing
Negation
Simple form
I oughtn't to draught-proof you oughtn't to draught-proof he oughtn't to draught-proof we oughtn't to draught-proof you oughtn't to draught-proof they oughtn't to draught-proof
V-ing form
I oughtn't to be draught-proofing you oughtn't to be draught-proofing he oughtn't to be draught-proofing we oughtn't to be draught-proofing you oughtn't to be draught-proofing they oughtn't to be draught-proofing
Perfect
I oughtn't to have draught-proofed you oughtn't to have draught-proofed he oughtn't to have draught-proofed we oughtn't to have draught-proofed you oughtn't to have draught-proofed they oughtn't to have draught-proofed
V-ing perfect
I oughtn't to have been draught-proofing you oughtn't to have been draught-proofing he oughtn't to have been draught-proofing we oughtn't to have been draught-proofing you oughtn't to have been draught-proofing they oughtn't to have been draught-proofing
Interrogative form
Simple form
ought to I draught-proof? ought to you draught-proof? ought to he draught-proof? ought to we draught-proof? ought to you draught-proof? ought to they draught-proof?
V-ing form
ought to I be draught-proofing? ought to you be draught-proofing? ought to he be draught-proofing? ought to we be draught-proofing? ought to you be draught-proofing? ought to they be draught-proofing?
Perfect
ought to I have draught-proofed? ought to you have draught-proofed? ought to he have draught-proofed? ought to we have draught-proofed? ought to you have draught-proofed? ought to they have draught-proofed?
V-ing perfect
ought to I have been draught-proofing? ought to you have been draught-proofing? ought to he have been draught-proofing? ought to we have been draught-proofing? ought to you have been draught-proofing? ought to they have been draught-proofing?
Interro-negative form
Simple form
oughtn't I to draught-proof? oughtn't you to draught-proof? oughtn't he to draught-proof? oughtn't we to draught-proof? oughtn't you to draught-proof? oughtn't they to draught-proof?
V-ing form
oughtn't I to be draught-proofing? oughtn't you to be draught-proofing? oughtn't he to be draught-proofing? oughtn't we to be draught-proofing? oughtn't you to be draught-proofing? oughtn't they to be draught-proofing?
Perfect
oughtn't I to have draught-proofed? oughtn't you to have draught-proofed? oughtn't he to have draught-proofed? oughtn't we to have draught-proofed? oughtn't you to have draught-proofed? oughtn't they to have draught-proofed?
V-ing perfect
oughtn't I to have been draught-proofing? oughtn't you to have been draught-proofing? oughtn't he to have been draught-proofing? oughtn't we to have been draught-proofing? oughtn't you to have been draught-proofing? oughtn't they to have been draught-proofing?