English verb conjugation COULD THRESH

Regular verb: thresh - threshed - threshed

Affirmation

Simple form

I could thresh
you could thresh
he could thresh
we could thresh
you could thresh
they could thresh

V-ing form

I could be threshing
you could be threshing
he could be threshing
we could be threshing
you could be threshing
they could be threshing

Perfect

I could have threshed
you could have threshed
he could have threshed
we could have threshed
you could have threshed
they could have threshed

V-ing perfect

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

Negation

Simple form

I couldn't thresh
you couldn't thresh
he couldn't thresh
we couldn't thresh
you couldn't thresh
they couldn't thresh

V-ing form

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

Perfect

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

V-ing perfect

I couldn't have been threshing
you couldn't have been threshing
he couldn't have been threshing
we couldn't have been threshing
you couldn't have been threshing
they couldn't have been threshing

Interrogative form

Simple form

could I thresh?
could you thresh?
could he thresh?
could we thresh?
could you thresh?
could they thresh?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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