may underpay
Irregular verb: underpay - underpaid- underpaid

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may underpay
you may underpay
she may underpay
we may underpay
you may underpay
they may underpay 	I may be underpaying
you may be underpaying
she may be underpaying
we may be underpaying
you may be underpaying
they may be underpaying	I may have underpaid
you may have underpaid
she may have underpaid
we may have underpaid
you may have underpaid
they may have underpaid	I may have been underpaying
you may have been underpaying
she may have been underpaying
we may have been underpaying
you may have been underpaying
they may have been underpaying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't underpay
you mayn't underpay
she mayn't underpay
we mayn't underpay
you mayn't underpay
they mayn't underpay 	I mayn't be underpaying
you mayn't be underpaying
she mayn't be underpaying
we mayn't be underpaying
you mayn't be underpaying
they mayn't be underpaying	I mayn't have underpaid
you mayn't have underpaid
she mayn't have underpaid
we mayn't have underpaid
you mayn't have underpaid
they mayn't have underpaid	I mayn't have been underpaying
you mayn't have been underpaying
she mayn't have been underpaying
we mayn't have been underpaying
you mayn't have been underpaying
they mayn't have been underpaying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I underpay?
may you underpay?
may she underpay?
may we underpay?
may you underpay?
may they underpay? 	may I be underpaying?
may you be underpaying?
may she be underpaying?
may we be underpaying?
may you be underpaying?
may they be underpaying? 	may I have underpaid?
may you have underpaid?
may she have underpaid?
may we have underpaid?
may you have underpaid?
may they have underpaid? 	may I have been underpaying?
may you have been underpaying?
may she have been underpaying?
may we have been underpaying?
may you have been underpaying?
may they have been underpaying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I underpay?
mayn't you underpay?
mayn't she underpay?
mayn't we underpay?
mayn't you underpay?
mayn't they underpay? 	mayn't I be underpaying?
mayn't you be underpaying?
mayn't she be underpaying?
mayn't we be underpaying?
mayn't you be underpaying?
mayn't they be underpaying? 	mayn't I have underpaid?
mayn't you have underpaid?
mayn't she have underpaid?
mayn't we have underpaid?
mayn't you have underpaid?
mayn't they have underpaid? 	mayn't I have been underpaying?
mayn't you have been underpaying?
mayn't she have been underpaying?
mayn't we have been underpaying?
mayn't you have been underpaying?
mayn't they have been underpaying?