I can operate you can operate she can operate we can operate you can operate they can operate
Forma com V-ing
I can be operating you can be operating she can be operating we can be operating you can be operating they can be operating
Perfeito
I can have operated you can have operated she can have operated we can have operated you can have operated they can have operated
Perfeito com V-ing
I can have been operating you can have been operating she can have been operating we can have been operating you can have been operating they can have been operating
Negação
Forma simple
I cannot operate you cannot operate she cannot operate we cannot operate you cannot operate they cannot operate
Forma com V-ing
I cannot be operating you cannot be operating she cannot be operating we cannot be operating you cannot be operating they cannot be operating
Perfeito
I cannot have operated you cannot have operated she cannot have operated we cannot have operated you cannot have operated they cannot have operated
Perfeito com V-ing
I cannot have been operating you cannot have been operating she cannot have been operating we cannot have been operating you cannot have been operating they cannot have been operating
Forma interrogativa
Forma simple
can I operate? can you operate? can she operate? can we operate? can you operate? can they operate?
Forma com V-ing
can I be operating? can you be operating? can she be operating? can we be operating? can you be operating? can they be operating?
Perfeito
can I have operated? can you have operated? can she have operated? can we have operated? can you have operated? can they have operated?
Perfeito com V-ing
can I have been operating? can you have been operating? can she have been operating? can we have been operating? can you have been operating? can they have been operating?
Forma interro-Negação
Forma simple
can I not operate? can you not operate? can she not operate? can we not operate? can you not operate? can they not operate?
Forma com V-ing
can I not be operating? can you not be operating? can she not be operating? can we not be operating? can you not be operating? can they not be operating?
Perfeito
can I not have operated? can you not have operated? can she not have operated? can we not have operated? can you not have operated? can they not have operated?
Perfeito com V-ing
can I not have been operating? can you not have been operating? can she not have been operating? can we not have been operating? can you not have been operating? can they not have been operating?