Conjugação do verbo inglês
CAN ENTER

Verbo regular: enter - entered - entered

Afirmação

Forma simple	Forma com V-ing
I can enter you can enter he can enter we can enter you can enter they can enter	I can be entering you can be entering he can be entering we can be entering you can be entering they can be entering
Perfeito	Perfeito com V-ing
I can have entered you can have entered he can have entered we can have entered you can have entered they can have entered	I can have been entering you can have been entering he can have been entering we can have been entering you can have been entering they can have been entering

Negação

Forma simple	Forma com V-ing
I cannot enter you cannot enter he cannot enter we cannot enter you cannot enter they cannot enter	I cannot be entering you cannot be entering he cannot be entering we cannot be entering you cannot be entering they cannot be entering
Perfeito	Perfeito com V-ing
I cannot have entered you cannot have entered he cannot have entered we cannot have entered you cannot have entered they cannot have entered	I cannot have been entering you cannot have been entering he cannot have been entering we cannot have been entering you cannot have been entering they cannot have been entering

Forma interrogativa

Forma simple	Forma com V-ing
can I enter? can you enter? can he enter? can we enter? can you enter? can they enter?	can I be entering? can you be entering? can he be entering? can we be entering? can you be entering? can they be entering?
Perfeito	Perfeito com V-ing
can I have entered? can you have entered? can he have entered? can we have entered? can you have entered? can they have entered?	can I have been entering? can you have been entering? can he have been entering? can we have been entering? can you have been entering? can they have been entering?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not enter? can you not enter? can he not enter? can we not enter? can you not enter? can they not enter?	can I not be entering? can you not be entering? can he not be entering? can we not be entering? can you not be entering? can they not be entering?
Perfeito	Perfeito com V-ing
can I not have entered? can you not have entered? can he not have entered? can we not have entered? can you not have entered? can they not have entered?	can I not have been entering? can you not have been entering? can he not have been entering? can we not have been entering? can you not have been entering? can they not have been entering?