Verbo regular: alter - altered - altered
Forma simple | Forma con V-ing |
I can alter you can alter he can alter we can alter you can alter they can alter | I can be altering you can be altering he can be altering we can be altering you can be altering they can be altering |
Perfecto | Perfecto con V-ing |
I can have altered you can have altered he can have altered we can have altered you can have altered they can have altered | I can have been altering you can have been altering he can have been altering we can have been altering you can have been altering they can have been altering |
Forma simple | Forma con V-ing |
I can't alter you can't alter he can't alter we can't alter you can't alter they can't alter | I can't be altering you can't be altering he can't be altering we can't be altering you can't be altering they can't be altering |
Perfecto | Perfecto con V-ing |
I can't have altered you can't have altered he can't have altered we can't have altered you can't have altered they can't have altered | I can't have been altering you can't have been altering he can't have been altering we can't have been altering you can't have been altering they can't have been altering |
Forma simple | Forma con V-ing |
can I alter? can you alter? can he alter? can we alter? can you alter? can they alter? | can I be altering? can you be altering? can he be altering? can we be altering? can you be altering? can they be altering? |
Perfecto | Perfecto con V-ing |
can I have altered? can you have altered? can he have altered? can we have altered? can you have altered? can they have altered? | can I have been altering? can you have been altering? can he have been altering? can we have been altering? can you have been altering? can they have been altering? |
Forma simple | Forma con V-ing |
can't I alter? can't you alter? can't he alter? can't we alter? can't you alter? can't they alter? | can't I be altering? can't you be altering? can't he be altering? can't we be altering? can't you be altering? can't they be altering? |
Perfecto | Perfecto con V-ing |
can't I have altered? can't you have altered? can't he have altered? can't we have altered? can't you have altered? can't they have altered? | can't I have been altering? can't you have been altering? can't he have been altering? can't we have been altering? can't you have been altering? can't they have been altering? |