Conjugação do verbo inglês
CAN SIEVE

Verbo regular: sieve - sieved - sieved

Afirmação

Forma simple	Forma com V-ing
I can sieve you can sieve she can sieve we can sieve you can sieve they can sieve	I can be sieving you can be sieving she can be sieving we can be sieving you can be sieving they can be sieving
Perfeito	Perfeito com V-ing
I can have sieved you can have sieved she can have sieved we can have sieved you can have sieved they can have sieved	I can have been sieving you can have been sieving she can have been sieving we can have been sieving you can have been sieving they can have been sieving

Negação

Forma simple	Forma com V-ing
I cannot sieve you cannot sieve she cannot sieve we cannot sieve you cannot sieve they cannot sieve	I cannot be sieving you cannot be sieving she cannot be sieving we cannot be sieving you cannot be sieving they cannot be sieving
Perfeito	Perfeito com V-ing
I cannot have sieved you cannot have sieved she cannot have sieved we cannot have sieved you cannot have sieved they cannot have sieved	I cannot have been sieving you cannot have been sieving she cannot have been sieving we cannot have been sieving you cannot have been sieving they cannot have been sieving

Forma interrogativa

Forma simple	Forma com V-ing
can I sieve? can you sieve? can she sieve? can we sieve? can you sieve? can they sieve?	can I be sieving? can you be sieving? can she be sieving? can we be sieving? can you be sieving? can they be sieving?
Perfeito	Perfeito com V-ing
can I have sieved? can you have sieved? can she have sieved? can we have sieved? can you have sieved? can they have sieved?	can I have been sieving? can you have been sieving? can she have been sieving? can we have been sieving? can you have been sieving? can they have been sieving?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not sieve? can you not sieve? can she not sieve? can we not sieve? can you not sieve? can they not sieve?	can I not be sieving? can you not be sieving? can she not be sieving? can we not be sieving? can you not be sieving? can they not be sieving?
Perfeito	Perfeito com V-ing
can I not have sieved? can you not have sieved? can she not have sieved? can we not have sieved? can you not have sieved? can they not have sieved?	can I not have been sieving? can you not have been sieving? can she not have been sieving? can we not have been sieving? can you not have been sieving? can they not have been sieving?