I may flight-test you may flight-test she may flight-test we may flight-test you may flight-test they may flight-test
V-ing form
I may be flight-testing you may be flight-testing she may be flight-testing we may be flight-testing you may be flight-testing they may be flight-testing
Perfect
I may have flight-tested you may have flight-tested she may have flight-tested we may have flight-tested you may have flight-tested they may have flight-tested
V-ing perfect
I may have been flight-testing you may have been flight-testing she may have been flight-testing we may have been flight-testing you may have been flight-testing they may have been flight-testing
Negation
Simple form
I mayn't flight-test you mayn't flight-test she mayn't flight-test we mayn't flight-test you mayn't flight-test they mayn't flight-test
V-ing form
I mayn't be flight-testing you mayn't be flight-testing she mayn't be flight-testing we mayn't be flight-testing you mayn't be flight-testing they mayn't be flight-testing
Perfect
I mayn't have flight-tested you mayn't have flight-tested she mayn't have flight-tested we mayn't have flight-tested you mayn't have flight-tested they mayn't have flight-tested
V-ing perfect
I mayn't have been flight-testing you mayn't have been flight-testing she mayn't have been flight-testing we mayn't have been flight-testing you mayn't have been flight-testing they mayn't have been flight-testing
Interrogative form
Simple form
may I flight-test? may you flight-test? may she flight-test? may we flight-test? may you flight-test? may they flight-test?
V-ing form
may I be flight-testing? may you be flight-testing? may she be flight-testing? may we be flight-testing? may you be flight-testing? may they be flight-testing?
Perfect
may I have flight-tested? may you have flight-tested? may she have flight-tested? may we have flight-tested? may you have flight-tested? may they have flight-tested?
V-ing perfect
may I have been flight-testing? may you have been flight-testing? may she have been flight-testing? may we have been flight-testing? may you have been flight-testing? may they have been flight-testing?
Interro-negative form
Simple form
mayn't I flight-test? mayn't you flight-test? mayn't she flight-test? mayn't we flight-test? mayn't you flight-test? mayn't they flight-test?
V-ing form
mayn't I be flight-testing? mayn't you be flight-testing? mayn't she be flight-testing? mayn't we be flight-testing? mayn't you be flight-testing? mayn't they be flight-testing?
Perfect
mayn't I have flight-tested? mayn't you have flight-tested? mayn't she have flight-tested? mayn't we have flight-tested? mayn't you have flight-tested? mayn't they have flight-tested?
V-ing perfect
mayn't I have been flight-testing? mayn't you have been flight-testing? mayn't she have been flight-testing? mayn't we have been flight-testing? mayn't you have been flight-testing? mayn't they have been flight-testing?