I may cost you may cost she may cost we may cost you may cost they may cost
Forma com V-ing
I may be costing you may be costing she may be costing we may be costing you may be costing they may be costing
Perfeito
I may have cost you may have cost she may have cost we may have cost you may have cost they may have cost
Perfeito com V-ing
I may have been costing you may have been costing she may have been costing we may have been costing you may have been costing they may have been costing
Negação
Forma simple
I mayn't cost you mayn't cost she mayn't cost we mayn't cost you mayn't cost they mayn't cost
Forma com V-ing
I mayn't be costing you mayn't be costing she mayn't be costing we mayn't be costing you mayn't be costing they mayn't be costing
Perfeito
I mayn't have cost you mayn't have cost she mayn't have cost we mayn't have cost you mayn't have cost they mayn't have cost
Perfeito com V-ing
I mayn't have been costing you mayn't have been costing she mayn't have been costing we mayn't have been costing you mayn't have been costing they mayn't have been costing
Forma interrogativa
Forma simple
may I cost? may you cost? may she cost? may we cost? may you cost? may they cost?
Forma com V-ing
may I be costing? may you be costing? may she be costing? may we be costing? may you be costing? may they be costing?
Perfeito
may I have cost? may you have cost? may she have cost? may we have cost? may you have cost? may they have cost?
Perfeito com V-ing
may I have been costing? may you have been costing? may she have been costing? may we have been costing? may you have been costing? may they have been costing?
Forma interro-Negação
Forma simple
mayn't I cost? mayn't you cost? mayn't she cost? mayn't we cost? mayn't you cost? mayn't they cost?
Forma com V-ing
mayn't I be costing? mayn't you be costing? mayn't she be costing? mayn't we be costing? mayn't you be costing? mayn't they be costing?
Perfeito
mayn't I have cost? mayn't you have cost? mayn't she have cost? mayn't we have cost? mayn't you have cost? mayn't they have cost?
Perfeito com V-ing
mayn't I have been costing? mayn't you have been costing? mayn't she have been costing? mayn't we have been costing? mayn't you have been costing? mayn't they have been costing?