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 couldn't clatter
you couldn't clatter
he couldn't clatter
we couldn't clatter
you couldn't clatter
they couldn't clatter

V-ing form

I couldn't be clattering
you couldn't be clattering
he couldn't be clattering
we couldn't be clattering
you couldn't be clattering
they couldn't be clattering

Perfect

I couldn't have clattered
you couldn't have clattered
he couldn't have clattered
we couldn't have clattered
you couldn't have clattered
they couldn't have clattered

V-ing perfect

I couldn't have been clattering
you couldn't have been clattering
he 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

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

couldn't I clatter?
couldn't you clatter?
couldn't he clatter?
couldn't we clatter?
couldn't you clatter?
couldn't they clatter?

V-ing form

couldn't I be clattering?
couldn't you be clattering?
couldn't he be clattering?
couldn't we be clattering?
couldn't you be clattering?
couldn't they be clattering?

Perfect

couldn't I have clattered?
couldn't you have clattered?
couldn't he have clattered?
couldn't we have clattered?
couldn't you have clattered?
couldn't they have clattered?

V-ing perfect

couldn't I have been clattering?
couldn't you have been clattering?
couldn't he have been clattering?
couldn't we have been clattering?
couldn't you have been clattering?
couldn't they have been clattering?

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