I can seek you can seek she can seek we can seek you can seek they can seek
Forma com V-ing
I can be seeking you can be seeking she can be seeking we can be seeking you can be seeking they can be seeking
Perfeito
I can have sought you can have sought she can have sought we can have sought you can have sought they can have sought
Perfeito com V-ing
I can have been seeking you can have been seeking she can have been seeking we can have been seeking you can have been seeking they can have been seeking
Negação
Forma simple
I cannot seek you cannot seek she cannot seek we cannot seek you cannot seek they cannot seek
Forma com V-ing
I cannot be seeking you cannot be seeking she cannot be seeking we cannot be seeking you cannot be seeking they cannot be seeking
Perfeito
I cannot have sought you cannot have sought she cannot have sought we cannot have sought you cannot have sought they cannot have sought
Perfeito com V-ing
I cannot have been seeking you cannot have been seeking she cannot have been seeking we cannot have been seeking you cannot have been seeking they cannot have been seeking
Forma interrogativa
Forma simple
can I seek? can you seek? can she seek? can we seek? can you seek? can they seek?
Forma com V-ing
can I be seeking? can you be seeking? can she be seeking? can we be seeking? can you be seeking? can they be seeking?
Perfeito
can I have sought? can you have sought? can she have sought? can we have sought? can you have sought? can they have sought?
Perfeito com V-ing
can I have been seeking? can you have been seeking? can she have been seeking? can we have been seeking? can you have been seeking? can they have been seeking?
Forma interro-Negação
Forma simple
can I not seek? can you not seek? can she not seek? can we not seek? can you not seek? can they not seek?
Forma com V-ing
can I not be seeking? can you not be seeking? can she not be seeking? can we not be seeking? can you not be seeking? can they not be seeking?
Perfeito
can I not have sought? can you not have sought? can she not have sought? can we not have sought? can you not have sought? can they not have sought?
Perfeito com V-ing
can I not have been seeking? can you not have been seeking? can she not have been seeking? can we not have been seeking? can you not have been seeking? can they not have been seeking?