I may tamper you may tamper she may tamper we may tamper you may tamper they may tamper
V-ing form
I may be tampering you may be tampering she may be tampering we may be tampering you may be tampering they may be tampering
Perfect
I may have tampered you may have tampered she may have tampered we may have tampered you may have tampered they may have tampered
V-ing perfect
I may have been tampering you may have been tampering she may have been tampering we may have been tampering you may have been tampering they may have been tampering
Negation
Simple form
I mayn't tamper you mayn't tamper she mayn't tamper we mayn't tamper you mayn't tamper they mayn't tamper
V-ing form
I mayn't be tampering you mayn't be tampering she mayn't be tampering we mayn't be tampering you mayn't be tampering they mayn't be tampering
Perfect
I mayn't have tampered you mayn't have tampered she mayn't have tampered we mayn't have tampered you mayn't have tampered they mayn't have tampered
V-ing perfect
I mayn't have been tampering you mayn't have been tampering she mayn't have been tampering we mayn't have been tampering you mayn't have been tampering they mayn't have been tampering
Interrogative form
Simple form
may I tamper? may you tamper? may she tamper? may we tamper? may you tamper? may they tamper?
V-ing form
may I be tampering? may you be tampering? may she be tampering? may we be tampering? may you be tampering? may they be tampering?
Perfect
may I have tampered? may you have tampered? may she have tampered? may we have tampered? may you have tampered? may they have tampered?
V-ing perfect
may I have been tampering? may you have been tampering? may she have been tampering? may we have been tampering? may you have been tampering? may they have been tampering?
Interro-negative form
Simple form
mayn't I tamper? mayn't you tamper? mayn't she tamper? mayn't we tamper? mayn't you tamper? mayn't they tamper?
V-ing form
mayn't I be tampering? mayn't you be tampering? mayn't she be tampering? mayn't we be tampering? mayn't you be tampering? mayn't they be tampering?
Perfect
mayn't I have tampered? mayn't you have tampered? mayn't she have tampered? mayn't we have tampered? mayn't you have tampered? mayn't they have tampered?
V-ing perfect
mayn't I have been tampering? mayn't you have been tampering? mayn't she have been tampering? mayn't we have been tampering? mayn't you have been tampering? mayn't they have been tampering?