I may base you may base he may base we may base you may base they may base
Forma com V-ing
I may be basing you may be basing he may be basing we may be basing you may be basing they may be basing
Perfeito
I may have based you may have based he may have based we may have based you may have based they may have based
Perfeito com V-ing
I may have been basing you may have been basing he may have been basing we may have been basing you may have been basing they may have been basing
Negação
Forma simple
I mayn't base you mayn't base he mayn't base we mayn't base you mayn't base they mayn't base
Forma com V-ing
I mayn't be basing you mayn't be basing he mayn't be basing we mayn't be basing you mayn't be basing they mayn't be basing
Perfeito
I mayn't have based you mayn't have based he mayn't have based we mayn't have based you mayn't have based they mayn't have based
Perfeito com V-ing
I mayn't have been basing you mayn't have been basing he mayn't have been basing we mayn't have been basing you mayn't have been basing they mayn't have been basing
Forma interrogativa
Forma simple
may I base? may you base? may he base? may we base? may you base? may they base?
Forma com V-ing
may I be basing? may you be basing? may he be basing? may we be basing? may you be basing? may they be basing?
Perfeito
may I have based? may you have based? may he have based? may we have based? may you have based? may they have based?
Perfeito com V-ing
may I have been basing? may you have been basing? may he have been basing? may we have been basing? may you have been basing? may they have been basing?
Forma interro-Negação
Forma simple
mayn't I base? mayn't you base? mayn't he base? mayn't we base? mayn't you base? mayn't they base?
Forma com V-ing
mayn't I be basing? mayn't you be basing? mayn't he be basing? mayn't we be basing? mayn't you be basing? mayn't they be basing?
Perfeito
mayn't I have based? mayn't you have based? mayn't he have based? mayn't we have based? mayn't you have based? mayn't they have based?
Perfeito com V-ing
mayn't I have been basing? mayn't you have been basing? mayn't he have been basing? mayn't we have been basing? mayn't you have been basing? mayn't they have been basing?