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