I'd be waterproofing you'd be waterproofing she'd be waterproofing we'd be waterproofing you'd be waterproofing they'd be waterproofing
Perfect
I should've waterproofed you should've waterproofed she should've waterproofed we should've waterproofed you should've waterproofed they should've waterproofed
V-ing perfect
I should've been waterproofing you should've been waterproofing she should've been waterproofing we should've been waterproofing you should've been waterproofing they should've been waterproofing
Negation
Simple form
I shouldn't waterproof you shouldn't waterproof she shouldn't waterproof we shouldn't waterproof you shouldn't waterproof they shouldn't waterproof
V-ing form
I shouldn't be waterproofing you shouldn't be waterproofing she shouldn't be waterproofing we shouldn't be waterproofing you shouldn't be waterproofing they shouldn't be waterproofing
Perfect
I shouldn't have waterproofed you shouldn't have waterproofed she shouldn't have waterproofed we shouldn't have waterproofed you shouldn't have waterproofed they shouldn't have waterproofed
V-ing perfect
I shouldn't have been waterproofing you shouldn't have been waterproofing she shouldn't have been waterproofing we shouldn't have been waterproofing you shouldn't have been waterproofing they shouldn't have been waterproofing
Interrogative form
Simple form
should I waterproof? should you waterproof? should she waterproof? should we waterproof? should you waterproof? should they waterproof?
V-ing form
should I be waterproofing? should you be waterproofing? should she be waterproofing? should we be waterproofing? should you be waterproofing? should they be waterproofing?
Perfect
should I have waterproofed? should you have waterproofed? should she have waterproofed? should we have waterproofed? should you have waterproofed? should they have waterproofed?
V-ing perfect
should I have been waterproofing? should you have been waterproofing? should she have been waterproofing? should we have been waterproofing? should you have been waterproofing? should they have been waterproofing?
Interro-negative form
Simple form
shouldn't I waterproof? shouldn't you waterproof? shouldn't she waterproof? shouldn't we waterproof? shouldn't you waterproof? shouldn't they waterproof?
V-ing form
shouldn't I be waterproofing? shouldn't you be waterproofing? shouldn't she be waterproofing? shouldn't we be waterproofing? shouldn't you be waterproofing? shouldn't they be waterproofing?
Perfect
shouldn't I have waterproofed? shouldn't you have waterproofed? shouldn't she have waterproofed? shouldn't we have waterproofed? shouldn't you have waterproofed? shouldn't they have waterproofed?
V-ing perfect
shouldn't I have been waterproofing? shouldn't you have been waterproofing? shouldn't she have been waterproofing? shouldn't we have been waterproofing? shouldn't you have been waterproofing? shouldn't they have been waterproofing?