may crawl
Regular verb: crawl - crawled- crawled

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

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

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

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