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