The Conjugator
English verb conjugation
COULD CLATTER

Regular verb: clatter - clattered - clattered

Affirmation

Simple form

V-ing form

I could clatter
you could clatter
she could clatter
we could clatter
you could clatter
they could clatter
I could be clattering
you could be clattering
she could be clattering
we could be clattering
you could be clattering
they could be clattering

Perfect

V-ing perfect

I could have clattered
you could have clattered
she could have clattered
we could have clattered
you could have clattered
they could have clattered
I could have been clattering
you could have been clattering
she could have been clattering
we could have been clattering
you could have been clattering
they could have been clattering

Negation

Simple form

V-ing form

I couldn't clatter
you couldn't clatter
she couldn't clatter
we couldn't clatter
you couldn't clatter
they couldn't clatter
I couldn't be clattering
you couldn't be clattering
she couldn't be clattering
we couldn't be clattering
you couldn't be clattering
they couldn't be clattering

Perfect

V-ing perfect

I couldn't have clattered
you couldn't have clattered
she couldn't have clattered
we couldn't have clattered
you couldn't have clattered
they couldn't have clattered
I couldn't have been clattering
you couldn't have been clattering
she couldn't have been clattering
we couldn't have been clattering
you couldn't have been clattering
they couldn't have been clattering

Interrogative form

Simple form

V-ing form

could I clatter?
could you clatter?
could she clatter?
could we clatter?
could you clatter?
could they clatter?
could I be clattering?
could you be clattering?
could she be clattering?
could we be clattering?
could you be clattering?
could they be clattering?

Perfect

V-ing perfect

could I have clattered?
could you have clattered?
could she have clattered?
could we have clattered?
could you have clattered?
could they have clattered?
could I have been clattering?
could you have been clattering?
could she have been clattering?
could we have been clattering?
could you have been clattering?
could they have been clattering?

Interro-negative form

Simple form

V-ing form

couldn't I clatter?
couldn't you clatter?
couldn't she clatter?
couldn't we clatter?
couldn't you clatter?
couldn't they clatter?
couldn't I be clattering?
couldn't you be clattering?
couldn't she be clattering?
couldn't we be clattering?
couldn't you be clattering?
couldn't they be clattering?

Perfect

V-ing perfect

couldn't I have clattered?
couldn't you have clattered?
couldn't she have clattered?
couldn't we have clattered?
couldn't you have clattered?
couldn't they have clattered?
couldn't I have been clattering?
couldn't you have been clattering?
couldn't she have been clattering?
couldn't we have been clattering?
couldn't you have been clattering?
couldn't they have been clattering?