I may tamper you may tamper he may tamper we may tamper you may tamper they may tamper
Forme en V-ing
I may be tampering you may be tampering he may be tampering we may be tampering you may be tampering they may be tampering
Perfect
I may have tampered you may have tampered he may have tampered we may have tampered you may have tampered they may have tampered
Perfect en V-ing
I may have been tampering you may have been tampering he may have been tampering we may have been tampering you may have been tampering they may have been tampering
Négation
Forme simple
I may not tamper you may not tamper he may not tamper we may not tamper you may not tamper they may not tamper
Forme en V-ing
I may not be tampering you may not be tampering he may not be tampering we may not be tampering you may not be tampering they may not be tampering
Perfect
I may not have tampered you may not have tampered he may not have tampered we may not have tampered you may not have tampered they may not have tampered
Perfect en V-ing
I may not have been tampering you may not have been tampering he may not have been tampering we may not have been tampering you may not have been tampering they may not have been tampering
Forme interrogative
Forme simple
may I tamper? may you tamper? may he tamper? may we tamper? may you tamper? may they tamper?
Forme en V-ing
may I be tampering? may you be tampering? may he be tampering? may we be tampering? may you be tampering? may they be tampering?
Perfect
may I have tampered? may you have tampered? may he have tampered? may we have tampered? may you have tampered? may they have tampered?
Perfect en V-ing
may I have been tampering? may you have been tampering? may he have been tampering? may we have been tampering? may you have been tampering? may they have been tampering?
Forme interro-négative
Forme simple
may I not tamper? may you not tamper? may he not tamper? may we not tamper? may you not tamper? may they not tamper?
Forme en V-ing
may I not be tampering? may you not be tampering? may he not be tampering? may we not be tampering? may you not be tampering? may they not be tampering?
Perfect
may I not have tampered? may you not have tampered? may he not have tampered? may we not have tampered? may you not have tampered? may they not have tampered?
Perfect en V-ing
may I not have been tampering? may you not have been tampering? may he not have been tampering? may we not have been tampering? may you not have been tampering? may they not have been tampering?