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