may crawl
Regular verb: crawl - crawled- crawled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may crawl
you may crawl
he may crawl
we may crawl
you may crawl
they may crawl 	I may be crawling
you may be crawling
he may be crawling
we may be crawling
you may be crawling
they may be crawling	I may have crawled
you may have crawled
he 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
he 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
he 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
he 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
he 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
he 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 he crawl?
may we crawl?
may you crawl?
may they crawl? 	may I be crawling?
may you be crawling?
may he be crawling?
may we be crawling?
may you be crawling?
may they be crawling? 	may I have crawled?
may you have crawled?
may he 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 he 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 he 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 he 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 he 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 he have been crawling?
mayn't we have been crawling?
mayn't you have been crawling?
mayn't they have been crawling?