may source
Regular verb: source - sourced- sourced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may source
you may source
she may source
we may source
you may source
they may source 	I may be sourcing
you may be sourcing
she may be sourcing
we may be sourcing
you may be sourcing
they may be sourcing	I may have sourced
you may have sourced
she may have sourced
we may have sourced
you may have sourced
they may have sourced	I may have been sourcing
you may have been sourcing
she may have been sourcing
we may have been sourcing
you may have been sourcing
they may have been sourcing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't source
you mayn't source
she mayn't source
we mayn't source
you mayn't source
they mayn't source 	I mayn't be sourcing
you mayn't be sourcing
she mayn't be sourcing
we mayn't be sourcing
you mayn't be sourcing
they mayn't be sourcing	I mayn't have sourced
you mayn't have sourced
she mayn't have sourced
we mayn't have sourced
you mayn't have sourced
they mayn't have sourced	I mayn't have been sourcing
you mayn't have been sourcing
she mayn't have been sourcing
we mayn't have been sourcing
you mayn't have been sourcing
they mayn't have been sourcing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I source?
may you source?
may she source?
may we source?
may you source?
may they source? 	may I be sourcing?
may you be sourcing?
may she be sourcing?
may we be sourcing?
may you be sourcing?
may they be sourcing? 	may I have sourced?
may you have sourced?
may she have sourced?
may we have sourced?
may you have sourced?
may they have sourced? 	may I have been sourcing?
may you have been sourcing?
may she have been sourcing?
may we have been sourcing?
may you have been sourcing?
may they have been sourcing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I source?
mayn't you source?
mayn't she source?
mayn't we source?
mayn't you source?
mayn't they source? 	mayn't I be sourcing?
mayn't you be sourcing?
mayn't she be sourcing?
mayn't we be sourcing?
mayn't you be sourcing?
mayn't they be sourcing? 	mayn't I have sourced?
mayn't you have sourced?
mayn't she have sourced?
mayn't we have sourced?
mayn't you have sourced?
mayn't they have sourced? 	mayn't I have been sourcing?
mayn't you have been sourcing?
mayn't she have been sourcing?
mayn't we have been sourcing?
mayn't you have been sourcing?
mayn't they have been sourcing?