I may retrofit you may retrofit he may retrofit we may retrofit you may retrofit they may retrofit
Forma con V-ing
I may be retrofiting you may be retrofiting he may be retrofiting we may be retrofiting you may be retrofiting they may be retrofiting
Perfecto
I may have retrofit you may have retrofit he may have retrofit we may have retrofit you may have retrofit they may have retrofit
Perfecto con V-ing
I may have been retrofiting you may have been retrofiting he may have been retrofiting we may have been retrofiting you may have been retrofiting they may have been retrofiting
Negación
Forma simple
I mayn't retrofit you mayn't retrofit he mayn't retrofit we mayn't retrofit you mayn't retrofit they mayn't retrofit
Forma con V-ing
I mayn't be retrofiting you mayn't be retrofiting he mayn't be retrofiting we mayn't be retrofiting you mayn't be retrofiting they mayn't be retrofiting
Perfecto
I mayn't have retrofit you mayn't have retrofit he mayn't have retrofit we mayn't have retrofit you mayn't have retrofit they mayn't have retrofit
Perfecto con V-ing
I mayn't have been retrofiting you mayn't have been retrofiting he mayn't have been retrofiting we mayn't have been retrofiting you mayn't have been retrofiting they mayn't have been retrofiting
Forma interrogativa
Forma simple
may I retrofit? may you retrofit? may he retrofit? may we retrofit? may you retrofit? may they retrofit?
Forma con V-ing
may I be retrofiting? may you be retrofiting? may he be retrofiting? may we be retrofiting? may you be retrofiting? may they be retrofiting?
Perfecto
may I have retrofit? may you have retrofit? may he have retrofit? may we have retrofit? may you have retrofit? may they have retrofit?
Perfecto con V-ing
may I have been retrofiting? may you have been retrofiting? may he have been retrofiting? may we have been retrofiting? may you have been retrofiting? may they have been retrofiting?
Forma interro-negativa
Forma simple
mayn't I retrofit? mayn't you retrofit? mayn't he retrofit? mayn't we retrofit? mayn't you retrofit? mayn't they retrofit?
Forma con V-ing
mayn't I be retrofiting? mayn't you be retrofiting? mayn't he be retrofiting? mayn't we be retrofiting? mayn't you be retrofiting? mayn't they be retrofiting?
Perfecto
mayn't I have retrofit? mayn't you have retrofit? mayn't he have retrofit? mayn't we have retrofit? mayn't you have retrofit? mayn't they have retrofit?
Perfecto con V-ing
mayn't I have been retrofiting? mayn't you have been retrofiting? mayn't he have been retrofiting? mayn't we have been retrofiting? mayn't you have been retrofiting? mayn't they have been retrofiting?