English verb conjugation MAY SIEVE

Regular verb: sieve - sieved - sieved

Affirmation

Simple form

I may sieve
you may sieve
he may sieve
we may sieve
you may sieve
they may sieve

V-ing form

I may be sieving
you may be sieving
he may be sieving
we may be sieving
you may be sieving
they may be sieving

Perfect

I may have sieved
you may have sieved
he may have sieved
we may have sieved
you may have sieved
they may have sieved

V-ing perfect

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

Negation

Simple form

I mayn't sieve
you mayn't sieve
he mayn't sieve
we mayn't sieve
you mayn't sieve
they mayn't sieve

V-ing form

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

Perfect

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

V-ing perfect

I mayn't have been sieving
you mayn't have been sieving
he mayn't have been sieving
we mayn't have been sieving
you mayn't have been sieving
they mayn't have been sieving

Interrogative form

Simple form

may I sieve?
may you sieve?
may he sieve?
may we sieve?
may you sieve?
may they sieve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mayn't I sieve?
mayn't you sieve?
mayn't he sieve?
mayn't we sieve?
mayn't you sieve?
mayn't they sieve?

V-ing form

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

Perfect

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

V-ing perfect

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

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