may improve
Verbo regular: improve - improved- improved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may improve
you may improve
she may improve
we may improve
you may improve
they may improve 	I may be improving
you may be improving
she may be improving
we may be improving
you may be improving
they may be improving	I may have improved
you may have improved
she may have improved
we may have improved
you may have improved
they may have improved	I may have been improving
you may have been improving
she may have been improving
we may have been improving
you may have been improving
they may have been improving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't improve
you mayn't improve
she mayn't improve
we mayn't improve
you mayn't improve
they mayn't improve 	I mayn't be improving
you mayn't be improving
she mayn't be improving
we mayn't be improving
you mayn't be improving
they mayn't be improving	I mayn't have improved
you mayn't have improved
she mayn't have improved
we mayn't have improved
you mayn't have improved
they mayn't have improved	I mayn't have been improving
you mayn't have been improving
she mayn't have been improving
we mayn't have been improving
you mayn't have been improving
they mayn't have been improving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I improve?
may you improve?
may she improve?
may we improve?
may you improve?
may they improve? 	may I be improving?
may you be improving?
may she be improving?
may we be improving?
may you be improving?
may they be improving? 	may I have improved?
may you have improved?
may she have improved?
may we have improved?
may you have improved?
may they have improved? 	may I have been improving?
may you have been improving?
may she have been improving?
may we have been improving?
may you have been improving?
may they have been improving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I improve?
mayn't you improve?
mayn't she improve?
mayn't we improve?
mayn't you improve?
mayn't they improve? 	mayn't I be improving?
mayn't you be improving?
mayn't she be improving?
mayn't we be improving?
mayn't you be improving?
mayn't they be improving? 	mayn't I have improved?
mayn't you have improved?
mayn't she have improved?
mayn't we have improved?
mayn't you have improved?
mayn't they have improved? 	mayn't I have been improving?
mayn't you have been improving?
mayn't she have been improving?
mayn't we have been improving?
mayn't you have been improving?
mayn't they have been improving?