English verb conjugation
OUGHT TO WATERPROOF

Regular verb: waterproof - waterproofed - waterproofed

Affirmation

Simple form	V-ing form
I ought to waterproof you ought to waterproof he ought to waterproof we ought to waterproof you ought to waterproof they ought to waterproof	I ought to be waterproofing you ought to be waterproofing he ought to be waterproofing we ought to be waterproofing you ought to be waterproofing they ought to be waterproofing
Perfect	V-ing perfect
I ought to have waterproofed you ought to have waterproofed he ought to have waterproofed we ought to have waterproofed you ought to have waterproofed they ought to have waterproofed	I ought to have been waterproofing you ought to have been waterproofing he ought to have been waterproofing we ought to have been waterproofing you ought to have been waterproofing they ought to have been waterproofing

Negation

Simple form	V-ing form
I ought not to waterproof you ought not to waterproof he ought not to waterproof we ought not to waterproof you ought not to waterproof they ought not to waterproof	I ought not to waterproofing you ought not to waterproofing he ought not to waterproofing we ought not to waterproofing you ought not to waterproofing they ought not to waterproofing
Perfect	V-ing perfect
I ought not to have waterproofed you ought not to have waterproofed he ought not to have waterproofed we ought not to have waterproofed you ought not to have waterproofed they ought not to have waterproofed	I ought not to have been waterproofing you ought not to have been waterproofing he ought not to have been waterproofing we ought not to have been waterproofing you ought not to have been waterproofing they ought not to have been waterproofing

Interrogative form

Simple form	V-ing form
ought to I waterproof? ought to you waterproof? ought to he waterproof? ought to we waterproof? ought to you waterproof? ought to they waterproof?	ought to I be waterproofing? ought to you be waterproofing? ought to he be waterproofing? ought to we be waterproofing? ought to you be waterproofing? ought to they be waterproofing?
Perfect	V-ing perfect
ought to I have waterproofed? ought to you have waterproofed? ought to he have waterproofed? ought to we have waterproofed? ought to you have waterproofed? ought to they have waterproofed?	ought to I have been waterproofing? ought to you have been waterproofing? ought to he have been waterproofing? ought to we have been waterproofing? ought to you have been waterproofing? ought to they have been waterproofing?

Interro-negative form

Simple form	V-ing form
ought I not to waterproof? ought you not to waterproof? ought he not to waterproof? ought we not to waterproof? ought you not to waterproof? ought they not to waterproof?	ought I not to be waterproofing? ought you not to be waterproofing? ought he not to be waterproofing? ought we not to be waterproofing? ought you not to be waterproofing? ought they not to be waterproofing?
Perfect	V-ing perfect
ought I not to have waterproofed? ought you not to have waterproofed? ought he not to have waterproofed? ought we not to have waterproofed? ought you not to have waterproofed? ought they not to have waterproofed?	ought I not to have been waterproofing? ought you not to have been waterproofing? ought he not to have been waterproofing? ought we not to have been waterproofing? ought you not to have been waterproofing? ought they not to have been waterproofing?