I may string you may string he may string we may string you may string they may string
V-ing form
I may be stringing you may be stringing he may be stringing we may be stringing you may be stringing they may be stringing
Perfect
I may have strung you may have strung he may have strung we may have strung you may have strung they may have strung
V-ing perfect
I may have been stringing you may have been stringing he may have been stringing we may have been stringing you may have been stringing they may have been stringing
Negation
Simple form
I may not string you may not string he may not string we may not string you may not string they may not string
V-ing form
I may not be stringing you may not be stringing he may not be stringing we may not be stringing you may not be stringing they may not be stringing
Perfect
I may not have strung you may not have strung he may not have strung we may not have strung you may not have strung they may not have strung
V-ing perfect
I may not have been stringing you may not have been stringing he may not have been stringing we may not have been stringing you may not have been stringing they may not have been stringing
Interrogative form
Simple form
may I string? may you string? may he string? may we string? may you string? may they string?
V-ing form
may I be stringing? may you be stringing? may he be stringing? may we be stringing? may you be stringing? may they be stringing?
Perfect
may I have strung? may you have strung? may he have strung? may we have strung? may you have strung? may they have strung?
V-ing perfect
may I have been stringing? may you have been stringing? may he have been stringing? may we have been stringing? may you have been stringing? may they have been stringing?
Interro-negative form
Simple form
may I not string? may you not string? may he not string? may we not string? may you not string? may they not string?
V-ing form
may I not be stringing? may you not be stringing? may he not be stringing? may we not be stringing? may you not be stringing? may they not be stringing?
Perfect
may I not have strung? may you not have strung? may he not have strung? may we not have strung? may you not have strung? may they not have strung?
V-ing perfect
may I not have been stringing? may you not have been stringing? may he not have been stringing? may we not have been stringing? may you not have been stringing? may they not have been stringing?