I may sustain you may sustain he may sustain we may sustain you may sustain they may sustain
Forma com V-ing
I may be sustaining you may be sustaining he may be sustaining we may be sustaining you may be sustaining they may be sustaining
Perfeito
I may have sustained you may have sustained he may have sustained we may have sustained you may have sustained they may have sustained
Perfeito com V-ing
I may have been sustaining you may have been sustaining he may have been sustaining we may have been sustaining you may have been sustaining they may have been sustaining
Negação
Forma simple
I mayn't sustain you mayn't sustain he mayn't sustain we mayn't sustain you mayn't sustain they mayn't sustain
Forma com V-ing
I mayn't be sustaining you mayn't be sustaining he mayn't be sustaining we mayn't be sustaining you mayn't be sustaining they mayn't be sustaining
Perfeito
I mayn't have sustained you mayn't have sustained he mayn't have sustained we mayn't have sustained you mayn't have sustained they mayn't have sustained
Perfeito com V-ing
I mayn't have been sustaining you mayn't have been sustaining he mayn't have been sustaining we mayn't have been sustaining you mayn't have been sustaining they mayn't have been sustaining
Forma interrogativa
Forma simple
may I sustain? may you sustain? may he sustain? may we sustain? may you sustain? may they sustain?
Forma com V-ing
may I be sustaining? may you be sustaining? may he be sustaining? may we be sustaining? may you be sustaining? may they be sustaining?
Perfeito
may I have sustained? may you have sustained? may he have sustained? may we have sustained? may you have sustained? may they have sustained?
Perfeito com V-ing
may I have been sustaining? may you have been sustaining? may he have been sustaining? may we have been sustaining? may you have been sustaining? may they have been sustaining?
Forma interro-Negação
Forma simple
mayn't I sustain? mayn't you sustain? mayn't he sustain? mayn't we sustain? mayn't you sustain? mayn't they sustain?
Forma com V-ing
mayn't I be sustaining? mayn't you be sustaining? mayn't he be sustaining? mayn't we be sustaining? mayn't you be sustaining? mayn't they be sustaining?
Perfeito
mayn't I have sustained? mayn't you have sustained? mayn't he have sustained? mayn't we have sustained? mayn't you have sustained? mayn't they have sustained?
Perfeito com V-ing
mayn't I have been sustaining? mayn't you have been sustaining? mayn't he have been sustaining? mayn't we have been sustaining? mayn't you have been sustaining? mayn't they have been sustaining?