English verb conjugation COULD BIRCH

Regular verb: birch - birched - birched

Affirmation

Simple form

I could birch
you could birch
he could birch
we could birch
you could birch
they could birch

V-ing form

I could be birching
you could be birching
he could be birching
we could be birching
you could be birching
they could be birching

Perfect

I could have birched
you could have birched
he could have birched
we could have birched
you could have birched
they could have birched

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I birch?
could you birch?
could he birch?
could we birch?
could you birch?
could they birch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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