Verbo regular: stack - stacked - stacked
Forma simple | Forma con V-ing |
I can stack you can stack he can stack we can stack you can stack they can stack | I can be stacking you can be stacking he can be stacking we can be stacking you can be stacking they can be stacking |
Perfecto | Perfecto con V-ing |
I can have stacked you can have stacked he can have stacked we can have stacked you can have stacked they can have stacked | I can have been stacking you can have been stacking he can have been stacking we can have been stacking you can have been stacking they can have been stacking |
Forma simple | Forma con V-ing |
I can't stack you can't stack he can't stack we can't stack you can't stack they can't stack | I can't be stacking you can't be stacking he can't be stacking we can't be stacking you can't be stacking they can't be stacking |
Perfecto | Perfecto con V-ing |
I can't have stacked you can't have stacked he can't have stacked we can't have stacked you can't have stacked they can't have stacked | I can't have been stacking you can't have been stacking he can't have been stacking we can't have been stacking you can't have been stacking they can't have been stacking |
Forma simple | Forma con V-ing |
can I stack? can you stack? can he stack? can we stack? can you stack? can they stack? | can I be stacking? can you be stacking? can he be stacking? can we be stacking? can you be stacking? can they be stacking? |
Perfecto | Perfecto con V-ing |
can I have stacked? can you have stacked? can he have stacked? can we have stacked? can you have stacked? can they have stacked? | can I have been stacking? can you have been stacking? can he have been stacking? can we have been stacking? can you have been stacking? can they have been stacking? |
Forma simple | Forma con V-ing |
can't I stack? can't you stack? can't he stack? can't we stack? can't you stack? can't they stack? | can't I be stacking? can't you be stacking? can't he be stacking? can't we be stacking? can't you be stacking? can't they be stacking? |
Perfecto | Perfecto con V-ing |
can't I have stacked? can't you have stacked? can't he have stacked? can't we have stacked? can't you have stacked? can't they have stacked? | can't I have been stacking? can't you have been stacking? can't he have been stacking? can't we have been stacking? can't you have been stacking? can't they have been stacking? |