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