Verbo regular: demonstrate - demonstrated - demonstrated
Forma simple | Forma con V-ing |
I could demonstrate you could demonstrate he could demonstrate we could demonstrate you could demonstrate they could demonstrate | I could be demonstrating you could be demonstrating he could be demonstrating we could be demonstrating you could be demonstrating they could be demonstrating |
Perfecto | Perfecto con V-ing |
I could have demonstrated you could have demonstrated he could have demonstrated we could have demonstrated you could have demonstrated they could have demonstrated | I could have been demonstrating you could have been demonstrating he could have been demonstrating we could have been demonstrating you could have been demonstrating they could have been demonstrating |
Forma simple | Forma con V-ing |
I couldn't demonstrate you couldn't demonstrate he couldn't demonstrate we couldn't demonstrate you couldn't demonstrate they couldn't demonstrate | I couldn't be demonstrating you couldn't be demonstrating he couldn't be demonstrating we couldn't be demonstrating you couldn't be demonstrating they couldn't be demonstrating |
Perfecto | Perfecto con V-ing |
I couldn't have demonstrated you couldn't have demonstrated he couldn't have demonstrated we couldn't have demonstrated you couldn't have demonstrated they couldn't have demonstrated | I couldn't have been demonstrating you couldn't have been demonstrating he couldn't have been demonstrating we couldn't have been demonstrating you couldn't have been demonstrating they couldn't have been demonstrating |
Forma simple | Forma con V-ing |
could I demonstrate? could you demonstrate? could he demonstrate? could we demonstrate? could you demonstrate? could they demonstrate? | could I be demonstrating? could you be demonstrating? could he be demonstrating? could we be demonstrating? could you be demonstrating? could they be demonstrating? |
Perfecto | Perfecto con V-ing |
could I have demonstrated? could you have demonstrated? could he have demonstrated? could we have demonstrated? could you have demonstrated? could they have demonstrated? | could I have been demonstrating? could you have been demonstrating? could he have been demonstrating? could we have been demonstrating? could you have been demonstrating? could they have been demonstrating? |
Forma simple | Forma con V-ing |
couldn't I demonstrate? couldn't you demonstrate? couldn't he demonstrate? couldn't we demonstrate? couldn't you demonstrate? couldn't they demonstrate? | couldn't I be demonstrating? couldn't you be demonstrating? couldn't he be demonstrating? couldn't we be demonstrating? couldn't you be demonstrating? couldn't they be demonstrating? |
Perfecto | Perfecto con V-ing |
couldn't I have demonstrated? couldn't you have demonstrated? couldn't he have demonstrated? couldn't we have demonstrated? couldn't you have demonstrated? couldn't they have demonstrated? | couldn't I have been demonstrating? couldn't you have been demonstrating? couldn't he have been demonstrating? couldn't we have been demonstrating? couldn't you have been demonstrating? couldn't they have been demonstrating? |