Here you can find some useful webpages to practice the use of may and might modal verbs:
May / Might / May have / might have
Agendaweb.org: May/ Might exercises
Asking for permission
Here you can find some useful webpages to practice the use of may and might modal verbs:
May / Might / May have / might have
Agendaweb.org: May/ Might exercises
Asking for permission