English verb conjugation CAN SIEVE

Regular verb: sieve - sieved - sieved

Affirmation

Simple form

I can sieve
you can sieve
he can sieve
we can sieve
you can sieve
they can sieve

V-ing form

I can be sieving
you can be sieving
he can be sieving
we can be sieving
you can be sieving
they can be sieving

Perfect

I can have sieved
you can have sieved
he can have sieved
we can have sieved
you can have sieved
they can have sieved

V-ing perfect

I can have been sieving
you can have been sieving
he can have been sieving
we can have been sieving
you can have been sieving
they can have been sieving

Negation

Simple form

I cannot sieve
you cannot sieve
he cannot sieve
we cannot sieve
you cannot sieve
they cannot sieve

V-ing form

I cannot be sieving
you cannot be sieving
he cannot be sieving
we cannot be sieving
you cannot be sieving
they cannot be sieving

Perfect

I cannot have sieved
you cannot have sieved
he cannot have sieved
we cannot have sieved
you cannot have sieved
they cannot have sieved

V-ing perfect

I cannot have been sieving
you cannot have been sieving
he cannot have been sieving
we cannot have been sieving
you cannot have been sieving
they cannot have been sieving

Interrogative form

Simple form

can I sieve?
can you sieve?
can he sieve?
can we sieve?
can you sieve?
can they sieve?

V-ing form

can I be sieving?
can you be sieving?
can he be sieving?
can we be sieving?
can you be sieving?
can they be sieving?

Perfect

can I have sieved?
can you have sieved?
can he have sieved?
can we have sieved?
can you have sieved?
can they have sieved?

V-ing perfect

can I have been sieving?
can you have been sieving?
can he have been sieving?
can we have been sieving?
can you have been sieving?
can they have been sieving?

Interro-negative form

Simple form

can I not sieve?
can you not sieve?
can he not sieve?
can we not sieve?
can you not sieve?
can they not sieve?

V-ing form

can I not be sieving?
can you not be sieving?
can he not be sieving?
can we not be sieving?
can you not be sieving?
can they not be sieving?

Perfect

can I not have sieved?
can you not have sieved?
can he not have sieved?
can we not have sieved?
can you not have sieved?
can they not have sieved?

V-ing perfect

can I not have been sieving?
can you not have been sieving?
can he not have been sieving?
can we not have been sieving?
can you not have been sieving?
can they not have been sieving?

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