English verb conjugation COULD SOUR

Regular verb: sour - soured - soured

Affirmation

Simple form

I could sour
you could sour
he could sour
we could sour
you could sour
they could sour

V-ing form

I could be souring
you could be souring
he could be souring
we could be souring
you could be souring
they could be souring

Perfect

I could have soured
you could have soured
he could have soured
we could have soured
you could have soured
they could have soured

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sour?
could you sour?
could he sour?
could we sour?
could you sour?
could they sour?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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