English verb conjugation COULD CLATTER

Regular verb: clatter - clattered - clattered

Affirmation

Simple form

I could clatter
you could clatter
he could clatter
we could clatter
you could clatter
they could clatter

V-ing form

I could be clattering
you could be clattering
he could be clattering
we could be clattering
you could be clattering
they could be clattering

Perfect

I could have clattered
you could have clattered
he could have clattered
we could have clattered
you could have clattered
they could have clattered

V-ing perfect

I could have been clattering
you could have been clattering
he could have been clattering
we could have been clattering
you could have been clattering
they could have been clattering

Negation

Simple form

I could not clatter
you could not clatter
he could not clatter
we could not clatter
you could not clatter
they could not clatter

V-ing form

I could not be clattering
you could not be clattering
he could not be clattering
we could not be clattering
you could not be clattering
they could not be clattering

Perfect

I could not have clattered
you could not have clattered
he could not have clattered
we could not have clattered
you could not have clattered
they could not have clattered

V-ing perfect

I could not have been clattering
you could not have been clattering
he could not have been clattering
we could not have been clattering
you could not have been clattering
they could not have been clattering

Interrogative form

Simple form

could I clatter?
could you clatter?
could he clatter?
could we clatter?
could you clatter?
could they clatter?

V-ing form

could I be clattering?
could you be clattering?
could he be clattering?
could we be clattering?
could you be clattering?
could they be clattering?

Perfect

could I have clattered?
could you have clattered?
could he have clattered?
could we have clattered?
could you have clattered?
could they have clattered?

V-ing perfect

could I have been clattering?
could you have been clattering?
could he have been clattering?
could we have been clattering?
could you have been clattering?
could they have been clattering?

Interro-negative form

Simple form

could I not clatter?
could you not clatter?
could he not clatter?
could we not clatter?
could you not clatter?
could they not clatter?

V-ing form

could I not be clattering?
could you not be clattering?
could he not be clattering?
could we not be clattering?
could you not be clattering?
could they not be clattering?

Perfect

could I not have clattered?
could you not have clattered?
could he not have clattered?
could we not have clattered?
could you not have clattered?
could they not have clattered?

V-ing perfect

could I not have been clattering?
could you not have been clattering?
could he not have been clattering?
could we not have been clattering?
could you not have been clattering?
could they not have been clattering?

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