English verb conjugation COULD GREEN

Regular verb: green - greened - greened

Affirmation

Simple form

I could green
you could green
she could green
we could green
you could green
they could green

V-ing form

I could be greening
you could be greening
she could be greening
we could be greening
you could be greening
they could be greening

Perfect

I could have greened
you could have greened
she could have greened
we could have greened
you could have greened
they could have greened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I green?
could you green?
could she green?
could we green?
could you green?
could they green?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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