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 can't sieve
you can't sieve
he can't sieve
we can't sieve
you can't sieve
they can't sieve

V-ing form

I can't be sieving
you can't be sieving
he can't be sieving
we can't be sieving
you can't be sieving
they can't be sieving

Perfect

I can't have sieved
you can't have sieved
he can't have sieved
we can't have sieved
you can't have sieved
they can't have sieved

V-ing perfect

I can't have been sieving
you can't have been sieving
he can't have been sieving
we can't have been sieving
you can't have been sieving
they can't 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't I sieve?
can't you sieve?
can't he sieve?
can't we sieve?
can't you sieve?
can't they sieve?

V-ing form

can't I be sieving?
can't you be sieving?
can't he be sieving?
can't we be sieving?
can't you be sieving?
can't they be sieving?

Perfect

can't I have sieved?
can't you have sieved?
can't he have sieved?
can't we have sieved?
can't you have sieved?
can't they have sieved?

V-ing perfect

can't I have been sieving?
can't you have been sieving?
can't he have been sieving?
can't we have been sieving?
can't you have been sieving?
can't they have been sieving?

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