I can whistle you can whistle she can whistle we can whistle you can whistle they can whistle
Forma com V-ing
I can be whistling you can be whistling she can be whistling we can be whistling you can be whistling they can be whistling
Perfeito
I can have whistled you can have whistled she can have whistled we can have whistled you can have whistled they can have whistled
Perfeito com V-ing
I can have been whistling you can have been whistling she can have been whistling we can have been whistling you can have been whistling they can have been whistling
Negação
Forma simple
I cannot whistle you cannot whistle she cannot whistle we cannot whistle you cannot whistle they cannot whistle
Forma com V-ing
I cannot be whistling you cannot be whistling she cannot be whistling we cannot be whistling you cannot be whistling they cannot be whistling
Perfeito
I cannot have whistled you cannot have whistled she cannot have whistled we cannot have whistled you cannot have whistled they cannot have whistled
Perfeito com V-ing
I cannot have been whistling you cannot have been whistling she cannot have been whistling we cannot have been whistling you cannot have been whistling they cannot have been whistling
Forma interrogativa
Forma simple
can I whistle? can you whistle? can she whistle? can we whistle? can you whistle? can they whistle?
Forma com V-ing
can I be whistling? can you be whistling? can she be whistling? can we be whistling? can you be whistling? can they be whistling?
Perfeito
can I have whistled? can you have whistled? can she have whistled? can we have whistled? can you have whistled? can they have whistled?
Perfeito com V-ing
can I have been whistling? can you have been whistling? can she have been whistling? can we have been whistling? can you have been whistling? can they have been whistling?
Forma interro-Negação
Forma simple
can I not whistle? can you not whistle? can she not whistle? can we not whistle? can you not whistle? can they not whistle?
Forma com V-ing
can I not be whistling? can you not be whistling? can she not be whistling? can we not be whistling? can you not be whistling? can they not be whistling?
Perfeito
can I not have whistled? can you not have whistled? can she not have whistled? can we not have whistled? can you not have whistled? can they not have whistled?
Perfeito com V-ing
can I not have been whistling? can you not have been whistling? can she not have been whistling? can we not have been whistling? can you not have been whistling? can they not have been whistling?