may swan
Regular verb: swan - swaned- swaned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may swan
you may swan
she may swan
we may swan
you may swan
they may swan 	I may be swaning
you may be swaning
she may be swaning
we may be swaning
you may be swaning
they may be swaning	I may have swaned
you may have swaned
she may have swaned
we may have swaned
you may have swaned
they may have swaned	I may have been swaning
you may have been swaning
she may have been swaning
we may have been swaning
you may have been swaning
they may have been swaning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't swan
you mayn't swan
she mayn't swan
we mayn't swan
you mayn't swan
they mayn't swan 	I mayn't be swaning
you mayn't be swaning
she mayn't be swaning
we mayn't be swaning
you mayn't be swaning
they mayn't be swaning	I mayn't have swaned
you mayn't have swaned
she mayn't have swaned
we mayn't have swaned
you mayn't have swaned
they mayn't have swaned	I mayn't have been swaning
you mayn't have been swaning
she mayn't have been swaning
we mayn't have been swaning
you mayn't have been swaning
they mayn't have been swaning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I swan?
may you swan?
may she swan?
may we swan?
may you swan?
may they swan? 	may I be swaning?
may you be swaning?
may she be swaning?
may we be swaning?
may you be swaning?
may they be swaning? 	may I have swaned?
may you have swaned?
may she have swaned?
may we have swaned?
may you have swaned?
may they have swaned? 	may I have been swaning?
may you have been swaning?
may she have been swaning?
may we have been swaning?
may you have been swaning?
may they have been swaning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I swan?
mayn't you swan?
mayn't she swan?
mayn't we swan?
mayn't you swan?
mayn't they swan? 	mayn't I be swaning?
mayn't you be swaning?
mayn't she be swaning?
mayn't we be swaning?
mayn't you be swaning?
mayn't they be swaning? 	mayn't I have swaned?
mayn't you have swaned?
mayn't she have swaned?
mayn't we have swaned?
mayn't you have swaned?
mayn't they have swaned? 	mayn't I have been swaning?
mayn't you have been swaning?
mayn't she have been swaning?
mayn't we have been swaning?
mayn't you have been swaning?
mayn't they have been swaning?