English verb conjugation
MAY UPHOLD

Irregular verb: uphold - upheld - upheld

Affirmation

Simple form	V-ing form
I may uphold you may uphold he may uphold we may uphold you may uphold they may uphold	I may be upholding you may be upholding he may be upholding we may be upholding you may be upholding they may be upholding
Perfect	V-ing perfect
I may have upheld you may have upheld he may have upheld we may have upheld you may have upheld they may have upheld	I may have been upholding you may have been upholding he may have been upholding we may have been upholding you may have been upholding they may have been upholding

Negation

Simple form	V-ing form
I mayn't uphold you mayn't uphold he mayn't uphold we mayn't uphold you mayn't uphold they mayn't uphold	I mayn't be upholding you mayn't be upholding he mayn't be upholding we mayn't be upholding you mayn't be upholding they mayn't be upholding
Perfect	V-ing perfect
I mayn't have upheld you mayn't have upheld he mayn't have upheld we mayn't have upheld you mayn't have upheld they mayn't have upheld	I mayn't have been upholding you mayn't have been upholding he mayn't have been upholding we mayn't have been upholding you mayn't have been upholding they mayn't have been upholding

Interrogative form

Simple form	V-ing form
may I uphold? may you uphold? may he uphold? may we uphold? may you uphold? may they uphold?	may I be upholding? may you be upholding? may he be upholding? may we be upholding? may you be upholding? may they be upholding?
Perfect	V-ing perfect
may I have upheld? may you have upheld? may he have upheld? may we have upheld? may you have upheld? may they have upheld?	may I have been upholding? may you have been upholding? may he have been upholding? may we have been upholding? may you have been upholding? may they have been upholding?

Interro-negative form

Simple form	V-ing form
mayn't I uphold? mayn't you uphold? mayn't he uphold? mayn't we uphold? mayn't you uphold? mayn't they uphold?	mayn't I be upholding? mayn't you be upholding? mayn't he be upholding? mayn't we be upholding? mayn't you be upholding? mayn't they be upholding?
Perfect	V-ing perfect
mayn't I have upheld? mayn't you have upheld? mayn't he have upheld? mayn't we have upheld? mayn't you have upheld? mayn't they have upheld?	mayn't I have been upholding? mayn't you have been upholding? mayn't he have been upholding? mayn't we have been upholding? mayn't you have been upholding? mayn't they have been upholding?