Verbe régulier : backcross - backcrossed - backcrossed
Forme simple | Forme en V-ing |
I may backcross you may backcross he may backcross we may backcross you may backcross they may backcross | I may be backcrossing you may be backcrossing he may be backcrossing we may be backcrossing you may be backcrossing they may be backcrossing |
Perfect | Perfect en V-ing |
I may have backcrossed you may have backcrossed he may have backcrossed we may have backcrossed you may have backcrossed they may have backcrossed | I may have been backcrossing you may have been backcrossing he may have been backcrossing we may have been backcrossing you may have been backcrossing they may have been backcrossing |
Forme simple | Forme en V-ing |
I mayn't backcross you mayn't backcross he mayn't backcross we mayn't backcross you mayn't backcross they mayn't backcross | I mayn't be backcrossing you mayn't be backcrossing he mayn't be backcrossing we mayn't be backcrossing you mayn't be backcrossing they mayn't be backcrossing |
Perfect | Perfect en V-ing |
I mayn't have backcrossed you mayn't have backcrossed he mayn't have backcrossed we mayn't have backcrossed you mayn't have backcrossed they mayn't have backcrossed | I mayn't have been backcrossing you mayn't have been backcrossing he mayn't have been backcrossing we mayn't have been backcrossing you mayn't have been backcrossing they mayn't have been backcrossing |
Forme simple | Forme en V-ing |
may I backcross? may you backcross? may he backcross? may we backcross? may you backcross? may they backcross? | may I be backcrossing? may you be backcrossing? may he be backcrossing? may we be backcrossing? may you be backcrossing? may they be backcrossing? |
Perfect | Perfect en V-ing |
may I have backcrossed? may you have backcrossed? may he have backcrossed? may we have backcrossed? may you have backcrossed? may they have backcrossed? | may I have been backcrossing? may you have been backcrossing? may he have been backcrossing? may we have been backcrossing? may you have been backcrossing? may they have been backcrossing? |
Forme simple | Forme en V-ing |
mayn't I backcross? mayn't you backcross? mayn't he backcross? mayn't we backcross? mayn't you backcross? mayn't they backcross? | mayn't I be backcrossing? mayn't you be backcrossing? mayn't he be backcrossing? mayn't we be backcrossing? mayn't you be backcrossing? mayn't they be backcrossing? |
Perfect | Perfect en V-ing |
mayn't I have backcrossed? mayn't you have backcrossed? mayn't he have backcrossed? mayn't we have backcrossed? mayn't you have backcrossed? mayn't they have backcrossed? | mayn't I have been backcrossing? mayn't you have been backcrossing? mayn't he have been backcrossing? mayn't we have been backcrossing? mayn't you have been backcrossing? mayn't they have been backcrossing? |