may burden
Regular verb: burden - burdened- burdened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may burden
you may burden
she may burden
we may burden
you may burden
they may burden 	I may be burdening
you may be burdening
she may be burdening
we may be burdening
you may be burdening
they may be burdening	I may have burdened
you may have burdened
she may have burdened
we may have burdened
you may have burdened
they may have burdened	I may have been burdening
you may have been burdening
she may have been burdening
we may have been burdening
you may have been burdening
they may have been burdening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't burden
you mayn't burden
she mayn't burden
we mayn't burden
you mayn't burden
they mayn't burden 	I mayn't be burdening
you mayn't be burdening
she mayn't be burdening
we mayn't be burdening
you mayn't be burdening
they mayn't be burdening	I mayn't have burdened
you mayn't have burdened
she mayn't have burdened
we mayn't have burdened
you mayn't have burdened
they mayn't have burdened	I mayn't have been burdening
you mayn't have been burdening
she mayn't have been burdening
we mayn't have been burdening
you mayn't have been burdening
they mayn't have been burdening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I burden?
may you burden?
may she burden?
may we burden?
may you burden?
may they burden? 	may I be burdening?
may you be burdening?
may she be burdening?
may we be burdening?
may you be burdening?
may they be burdening? 	may I have burdened?
may you have burdened?
may she have burdened?
may we have burdened?
may you have burdened?
may they have burdened? 	may I have been burdening?
may you have been burdening?
may she have been burdening?
may we have been burdening?
may you have been burdening?
may they have been burdening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I burden?
mayn't you burden?
mayn't she burden?
mayn't we burden?
mayn't you burden?
mayn't they burden? 	mayn't I be burdening?
mayn't you be burdening?
mayn't she be burdening?
mayn't we be burdening?
mayn't you be burdening?
mayn't they be burdening? 	mayn't I have burdened?
mayn't you have burdened?
mayn't she have burdened?
mayn't we have burdened?
mayn't you have burdened?
mayn't they have burdened? 	mayn't I have been burdening?
mayn't you have been burdening?
mayn't she have been burdening?
mayn't we have been burdening?
mayn't you have been burdening?
mayn't they have been burdening?