English verb conjugation
OUGHT TO CRAWL

Regular verb: crawl - crawled - crawled

Affirmation

Simple form	V-ing form
I ought to crawl you ought to crawl she ought to crawl we ought to crawl you ought to crawl they ought to crawl	I ought to be crawling you ought to be crawling she ought to be crawling we ought to be crawling you ought to be crawling they ought to be crawling
Perfect	V-ing perfect
I ought to have crawled you ought to have crawled she ought to have crawled we ought to have crawled you ought to have crawled they ought to have crawled	I ought to have been crawling you ought to have been crawling she ought to have been crawling we ought to have been crawling you ought to have been crawling they ought to have been crawling

Negation

Simple form	V-ing form
I oughtn't to crawl you oughtn't to crawl she oughtn't to crawl we oughtn't to crawl you oughtn't to crawl they oughtn't to crawl	I oughtn't to be crawling you oughtn't to be crawling she oughtn't to be crawling we oughtn't to be crawling you oughtn't to be crawling they oughtn't to be crawling
Perfect	V-ing perfect
I oughtn't to have crawled you oughtn't to have crawled she oughtn't to have crawled we oughtn't to have crawled you oughtn't to have crawled they oughtn't to have crawled	I oughtn't to have been crawling you oughtn't to have been crawling she oughtn't to have been crawling we oughtn't to have been crawling you oughtn't to have been crawling they oughtn't to have been crawling

Interrogative form

Simple form	V-ing form
ought to I crawl? ought to you crawl? ought to she crawl? ought to we crawl? ought to you crawl? ought to they crawl?	ought to I be crawling? ought to you be crawling? ought to she be crawling? ought to we be crawling? ought to you be crawling? ought to they be crawling?
Perfect	V-ing perfect
ought to I have crawled? ought to you have crawled? ought to she have crawled? ought to we have crawled? ought to you have crawled? ought to they have crawled?	ought to I have been crawling? ought to you have been crawling? ought to she have been crawling? ought to we have been crawling? ought to you have been crawling? ought to they have been crawling?

Interro-negative form

Simple form	V-ing form
oughtn't I to crawl? oughtn't you to crawl? oughtn't she to crawl? oughtn't we to crawl? oughtn't you to crawl? oughtn't they to crawl?	oughtn't I to be crawling? oughtn't you to be crawling? oughtn't she to be crawling? oughtn't we to be crawling? oughtn't you to be crawling? oughtn't they to be crawling?
Perfect	V-ing perfect
oughtn't I to have crawled? oughtn't you to have crawled? oughtn't she to have crawled? oughtn't we to have crawled? oughtn't you to have crawled? oughtn't they to have crawled?	oughtn't I to have been crawling? oughtn't you to have been crawling? oughtn't she to have been crawling? oughtn't we to have been crawling? oughtn't you to have been crawling? oughtn't they to have been crawling?