English verb conjugation COULD YARN

Regular verb: yarn - yarned - yarned

Affirmation

Simple form

I could yarn
you could yarn
she could yarn
we could yarn
you could yarn
they could yarn

V-ing form

I could be yarning
you could be yarning
she could be yarning
we could be yarning
you could be yarning
they could be yarning

Perfect

I could have yarned
you could have yarned
she could have yarned
we could have yarned
you could have yarned
they could have yarned

V-ing perfect

I could have been yarning
you could have been yarning
she could have been yarning
we could have been yarning
you could have been yarning
they could have been yarning

Negation

Simple form

I couldn't yarn
you couldn't yarn
she couldn't yarn
we couldn't yarn
you couldn't yarn
they couldn't yarn

V-ing form

I couldn't be yarning
you couldn't be yarning
she couldn't be yarning
we couldn't be yarning
you couldn't be yarning
they couldn't be yarning

Perfect

I couldn't have yarned
you couldn't have yarned
she couldn't have yarned
we couldn't have yarned
you couldn't have yarned
they couldn't have yarned

V-ing perfect

I couldn't have been yarning
you couldn't have been yarning
she couldn't have been yarning
we couldn't have been yarning
you couldn't have been yarning
they couldn't have been yarning

Interrogative form

Simple form

could I yarn?
could you yarn?
could she yarn?
could we yarn?
could you yarn?
could they yarn?

V-ing form

could I be yarning?
could you be yarning?
could she be yarning?
could we be yarning?
could you be yarning?
could they be yarning?

Perfect

could I have yarned?
could you have yarned?
could she have yarned?
could we have yarned?
could you have yarned?
could they have yarned?

V-ing perfect

could I have been yarning?
could you have been yarning?
could she have been yarning?
could we have been yarning?
could you have been yarning?
could they have been yarning?

Interro-negative form

Simple form

couldn't I yarn?
couldn't you yarn?
couldn't she yarn?
couldn't we yarn?
couldn't you yarn?
couldn't they yarn?

V-ing form

couldn't I be yarning?
couldn't you be yarning?
couldn't she be yarning?
couldn't we be yarning?
couldn't you be yarning?
couldn't they be yarning?

Perfect

couldn't I have yarned?
couldn't you have yarned?
couldn't she have yarned?
couldn't we have yarned?
couldn't you have yarned?
couldn't they have yarned?

V-ing perfect

couldn't I have been yarning?
couldn't you have been yarning?
couldn't she have been yarning?
couldn't we have been yarning?
couldn't you have been yarning?
couldn't they have been yarning?

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