Verbo regular: ascertain - ascertained - ascertained
Forma simple | Forma com V-ing |
I may ascertain you may ascertain he may ascertain we may ascertain you may ascertain they may ascertain | I may be ascertaining you may be ascertaining he may be ascertaining we may be ascertaining you may be ascertaining they may be ascertaining |
Perfeito | Perfeito com V-ing |
I may have ascertained you may have ascertained he may have ascertained we may have ascertained you may have ascertained they may have ascertained | I may have been ascertaining you may have been ascertaining he may have been ascertaining we may have been ascertaining you may have been ascertaining they may have been ascertaining |
Forma simple | Forma com V-ing |
I mayn't ascertain you mayn't ascertain he mayn't ascertain we mayn't ascertain you mayn't ascertain they mayn't ascertain | I mayn't be ascertaining you mayn't be ascertaining he mayn't be ascertaining we mayn't be ascertaining you mayn't be ascertaining they mayn't be ascertaining |
Perfeito | Perfeito com V-ing |
I mayn't have ascertained you mayn't have ascertained he mayn't have ascertained we mayn't have ascertained you mayn't have ascertained they mayn't have ascertained | I mayn't have been ascertaining you mayn't have been ascertaining he mayn't have been ascertaining we mayn't have been ascertaining you mayn't have been ascertaining they mayn't have been ascertaining |
Forma simple | Forma com V-ing |
may I ascertain? may you ascertain? may he ascertain? may we ascertain? may you ascertain? may they ascertain? | may I be ascertaining? may you be ascertaining? may he be ascertaining? may we be ascertaining? may you be ascertaining? may they be ascertaining? |
Perfeito | Perfeito com V-ing |
may I have ascertained? may you have ascertained? may he have ascertained? may we have ascertained? may you have ascertained? may they have ascertained? | may I have been ascertaining? may you have been ascertaining? may he have been ascertaining? may we have been ascertaining? may you have been ascertaining? may they have been ascertaining? |
Forma simple | Forma com V-ing |
mayn't I ascertain? mayn't you ascertain? mayn't he ascertain? mayn't we ascertain? mayn't you ascertain? mayn't they ascertain? | mayn't I be ascertaining? mayn't you be ascertaining? mayn't he be ascertaining? mayn't we be ascertaining? mayn't you be ascertaining? mayn't they be ascertaining? |
Perfeito | Perfeito com V-ing |
mayn't I have ascertained? mayn't you have ascertained? mayn't he have ascertained? mayn't we have ascertained? mayn't you have ascertained? mayn't they have ascertained? | mayn't I have been ascertaining? mayn't you have been ascertaining? mayn't he have been ascertaining? mayn't we have been ascertaining? mayn't you have been ascertaining? mayn't they have been ascertaining? |