may convolve
Regular verb: convolve - convolved- convolved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may convolve
you may convolve
she may convolve
we may convolve
you may convolve
they may convolve 	I may be convolving
you may be convolving
she may be convolving
we may be convolving
you may be convolving
they may be convolving	I may have convolved
you may have convolved
she may have convolved
we may have convolved
you may have convolved
they may have convolved	I may have been convolving
you may have been convolving
she may have been convolving
we may have been convolving
you may have been convolving
they may have been convolving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't convolve
you mayn't convolve
she mayn't convolve
we mayn't convolve
you mayn't convolve
they mayn't convolve 	I mayn't be convolving
you mayn't be convolving
she mayn't be convolving
we mayn't be convolving
you mayn't be convolving
they mayn't be convolving	I mayn't have convolved
you mayn't have convolved
she mayn't have convolved
we mayn't have convolved
you mayn't have convolved
they mayn't have convolved	I mayn't have been convolving
you mayn't have been convolving
she mayn't have been convolving
we mayn't have been convolving
you mayn't have been convolving
they mayn't have been convolving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I convolve?
may you convolve?
may she convolve?
may we convolve?
may you convolve?
may they convolve? 	may I be convolving?
may you be convolving?
may she be convolving?
may we be convolving?
may you be convolving?
may they be convolving? 	may I have convolved?
may you have convolved?
may she have convolved?
may we have convolved?
may you have convolved?
may they have convolved? 	may I have been convolving?
may you have been convolving?
may she have been convolving?
may we have been convolving?
may you have been convolving?
may they have been convolving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I convolve?
mayn't you convolve?
mayn't she convolve?
mayn't we convolve?
mayn't you convolve?
mayn't they convolve? 	mayn't I be convolving?
mayn't you be convolving?
mayn't she be convolving?
mayn't we be convolving?
mayn't you be convolving?
mayn't they be convolving? 	mayn't I have convolved?
mayn't you have convolved?
mayn't she have convolved?
mayn't we have convolved?
mayn't you have convolved?
mayn't they have convolved? 	mayn't I have been convolving?
mayn't you have been convolving?
mayn't she have been convolving?
mayn't we have been convolving?
mayn't you have been convolving?
mayn't they have been convolving?