I can enter you can enter she can enter we can enter you can enter they can enter
Forma com V-ing
I can be entering you can be entering she can be entering we can be entering you can be entering they can be entering
Perfeito
I can have entered you can have entered she can have entered we can have entered you can have entered they can have entered
Perfeito com V-ing
I can have been entering you can have been entering she can have been entering we can have been entering you can have been entering they can have been entering
Negação
Forma simple
I cannot enter you cannot enter she cannot enter we cannot enter you cannot enter they cannot enter
Forma com V-ing
I cannot be entering you cannot be entering she cannot be entering we cannot be entering you cannot be entering they cannot be entering
Perfeito
I cannot have entered you cannot have entered she cannot have entered we cannot have entered you cannot have entered they cannot have entered
Perfeito com V-ing
I cannot have been entering you cannot have been entering she cannot have been entering we cannot have been entering you cannot have been entering they cannot have been entering
Forma interrogativa
Forma simple
can I enter? can you enter? can she enter? can we enter? can you enter? can they enter?
Forma com V-ing
can I be entering? can you be entering? can she be entering? can we be entering? can you be entering? can they be entering?
Perfeito
can I have entered? can you have entered? can she have entered? can we have entered? can you have entered? can they have entered?
Perfeito com V-ing
can I have been entering? can you have been entering? can she have been entering? can we have been entering? can you have been entering? can they have been entering?
Forma interro-Negação
Forma simple
can I not enter? can you not enter? can she not enter? can we not enter? can you not enter? can they not enter?
Forma com V-ing
can I not be entering? can you not be entering? can she not be entering? can we not be entering? can you not be entering? can they not be entering?
Perfeito
can I not have entered? can you not have entered? can she not have entered? can we not have entered? can you not have entered? can they not have entered?
Perfeito com V-ing
can I not have been entering? can you not have been entering? can she not have been entering? can we not have been entering? can you not have been entering? can they not have been entering?