Conjugação do verbo inglês
MAY PREVENT

Verbo regular: prevent - prevented - prevented

Afirmação

Forma simple	Forma com V-ing
I may prevent you may prevent she may prevent we may prevent you may prevent they may prevent	I may be preventing you may be preventing she may be preventing we may be preventing you may be preventing they may be preventing
Perfeito	Perfeito com V-ing
I may have prevented you may have prevented she may have prevented we may have prevented you may have prevented they may have prevented	I may have been preventing you may have been preventing she may have been preventing we may have been preventing you may have been preventing they may have been preventing

Negação

Forma simple	Forma com V-ing
I mayn't prevent you mayn't prevent she mayn't prevent we mayn't prevent you mayn't prevent they mayn't prevent	I mayn't be preventing you mayn't be preventing she mayn't be preventing we mayn't be preventing you mayn't be preventing they mayn't be preventing
Perfeito	Perfeito com V-ing
I mayn't have prevented you mayn't have prevented she mayn't have prevented we mayn't have prevented you mayn't have prevented they mayn't have prevented	I mayn't have been preventing you mayn't have been preventing she mayn't have been preventing we mayn't have been preventing you mayn't have been preventing they mayn't have been preventing

Forma interrogativa

Forma simple	Forma com V-ing
may I prevent? may you prevent? may she prevent? may we prevent? may you prevent? may they prevent?	may I be preventing? may you be preventing? may she be preventing? may we be preventing? may you be preventing? may they be preventing?
Perfeito	Perfeito com V-ing
may I have prevented? may you have prevented? may she have prevented? may we have prevented? may you have prevented? may they have prevented?	may I have been preventing? may you have been preventing? may she have been preventing? may we have been preventing? may you have been preventing? may they have been preventing?

Forma interro-Negação

Forma simple	Forma com V-ing
mayn't I prevent? mayn't you prevent? mayn't she prevent? mayn't we prevent? mayn't you prevent? mayn't they prevent?	mayn't I be preventing? mayn't you be preventing? mayn't she be preventing? mayn't we be preventing? mayn't you be preventing? mayn't they be preventing?
Perfeito	Perfeito com V-ing
mayn't I have prevented? mayn't you have prevented? mayn't she have prevented? mayn't we have prevented? mayn't you have prevented? mayn't they have prevented?	mayn't I have been preventing? mayn't you have been preventing? mayn't she have been preventing? mayn't we have been preventing? mayn't you have been preventing? mayn't they have been preventing?