Verbo regular: backcross - backcrossed - backcrossed
Forma simple | Forma com V-ing |
I can backcross you can backcross he can backcross we can backcross you can backcross they can backcross | I can be backcrossing you can be backcrossing he can be backcrossing we can be backcrossing you can be backcrossing they can be backcrossing |
Perfeito | Perfeito com V-ing |
I can have backcrossed you can have backcrossed he can have backcrossed we can have backcrossed you can have backcrossed they can have backcrossed | I can have been backcrossing you can have been backcrossing he can have been backcrossing we can have been backcrossing you can have been backcrossing they can have been backcrossing |
Forma simple | Forma com V-ing |
I can't backcross you can't backcross he can't backcross we can't backcross you can't backcross they can't backcross | I can't be backcrossing you can't be backcrossing he can't be backcrossing we can't be backcrossing you can't be backcrossing they can't be backcrossing |
Perfeito | Perfeito com V-ing |
I can't have backcrossed you can't have backcrossed he can't have backcrossed we can't have backcrossed you can't have backcrossed they can't have backcrossed | I can't have been backcrossing you can't have been backcrossing he can't have been backcrossing we can't have been backcrossing you can't have been backcrossing they can't have been backcrossing |
Forma simple | Forma com V-ing |
can I backcross? can you backcross? can he backcross? can we backcross? can you backcross? can they backcross? | can I be backcrossing? can you be backcrossing? can he be backcrossing? can we be backcrossing? can you be backcrossing? can they be backcrossing? |
Perfeito | Perfeito com V-ing |
can I have backcrossed? can you have backcrossed? can he have backcrossed? can we have backcrossed? can you have backcrossed? can they have backcrossed? | can I have been backcrossing? can you have been backcrossing? can he have been backcrossing? can we have been backcrossing? can you have been backcrossing? can they have been backcrossing? |
Forma simple | Forma com V-ing |
can't I backcross? can't you backcross? can't he backcross? can't we backcross? can't you backcross? can't they backcross? | can't I be backcrossing? can't you be backcrossing? can't he be backcrossing? can't we be backcrossing? can't you be backcrossing? can't they be backcrossing? |
Perfeito | Perfeito com V-ing |
can't I have backcrossed? can't you have backcrossed? can't he have backcrossed? can't we have backcrossed? can't you have backcrossed? can't they have backcrossed? | can't I have been backcrossing? can't you have been backcrossing? can't he have been backcrossing? can't we have been backcrossing? can't you have been backcrossing? can't they have been backcrossing? |