The Conjugator
English verb conjugation
COULD FLATTEN

Regular verb: flatten - flattened - flattened

Affirmation

Simple form

V-ing form

I could flatten
you could flatten
she could flatten
we could flatten
you could flatten
they could flatten
I could be flattening
you could be flattening
she could be flattening
we could be flattening
you could be flattening
they could be flattening

Perfect

V-ing perfect

I could have flattened
you could have flattened
she could have flattened
we could have flattened
you could have flattened
they could have flattened
I could have been flattening
you could have been flattening
she could have been flattening
we could have been flattening
you could have been flattening
they could have been flattening

Negation

Simple form

V-ing form

I couldn't flatten
you couldn't flatten
she couldn't flatten
we couldn't flatten
you couldn't flatten
they couldn't flatten
I couldn't be flattening
you couldn't be flattening
she couldn't be flattening
we couldn't be flattening
you couldn't be flattening
they couldn't be flattening

Perfect

V-ing perfect

I couldn't have flattened
you couldn't have flattened
she couldn't have flattened
we couldn't have flattened
you couldn't have flattened
they couldn't have flattened
I couldn't have been flattening
you couldn't have been flattening
she couldn't have been flattening
we couldn't have been flattening
you couldn't have been flattening
they couldn't have been flattening

Interrogative form

Simple form

V-ing form

could I flatten?
could you flatten?
could she flatten?
could we flatten?
could you flatten?
could they flatten?
could I be flattening?
could you be flattening?
could she be flattening?
could we be flattening?
could you be flattening?
could they be flattening?

Perfect

V-ing perfect

could I have flattened?
could you have flattened?
could she have flattened?
could we have flattened?
could you have flattened?
could they have flattened?
could I have been flattening?
could you have been flattening?
could she have been flattening?
could we have been flattening?
could you have been flattening?
could they have been flattening?

Interro-negative form

Simple form

V-ing form

couldn't I flatten?
couldn't you flatten?
couldn't she flatten?
couldn't we flatten?
couldn't you flatten?
couldn't they flatten?
couldn't I be flattening?
couldn't you be flattening?
couldn't she be flattening?
couldn't we be flattening?
couldn't you be flattening?
couldn't they be flattening?

Perfect

V-ing perfect

couldn't I have flattened?
couldn't you have flattened?
couldn't she have flattened?
couldn't we have flattened?
couldn't you have flattened?
couldn't they have flattened?
couldn't I have been flattening?
couldn't you have been flattening?
couldn't she have been flattening?
couldn't we have been flattening?
couldn't you have been flattening?
couldn't they have been flattening?