English verb conjugation COULD STAIN STH

Regular verb: stain sth - stain sthed - stain sthed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could stain sth
you could stain sth
he could stain sth
we could stain sth
you could stain sth
they could stain sth

V-ing form

I could be stain sthing
you could be stain sthing
he could be stain sthing
we could be stain sthing
you could be stain sthing
they could be stain sthing

Perfect

I could have stain sthed
you could have stain sthed
he could have stain sthed
we could have stain sthed
you could have stain sthed
they could have stain sthed

V-ing perfect

I could have been stain sthing
you could have been stain sthing
he could have been stain sthing
we could have been stain sthing
you could have been stain sthing
they could have been stain sthing

Negation

Simple form

I could not stain sth
you could not stain sth
he could not stain sth
we could not stain sth
you could not stain sth
they could not stain sth

V-ing form

I could not be stain sthing
you could not be stain sthing
he could not be stain sthing
we could not be stain sthing
you could not be stain sthing
they could not be stain sthing

Perfect

I could not have stain sthed
you could not have stain sthed
he could not have stain sthed
we could not have stain sthed
you could not have stain sthed
they could not have stain sthed

V-ing perfect

I could not have been stain sthing
you could not have been stain sthing
he could not have been stain sthing
we could not have been stain sthing
you could not have been stain sthing
they could not have been stain sthing

Interrogative form

Simple form

could I stain sth?
could you stain sth?
could he stain sth?
could we stain sth?
could you stain sth?
could they stain sth?

V-ing form

could I be stain sthing?
could you be stain sthing?
could he be stain sthing?
could we be stain sthing?
could you be stain sthing?
could they be stain sthing?

Perfect

could I have stain sthed?
could you have stain sthed?
could he have stain sthed?
could we have stain sthed?
could you have stain sthed?
could they have stain sthed?

V-ing perfect

could I have been stain sthing?
could you have been stain sthing?
could he have been stain sthing?
could we have been stain sthing?
could you have been stain sthing?
could they have been stain sthing?

Interro-negative form

Simple form

could I not stain sth?
could you not stain sth?
could he not stain sth?
could we not stain sth?
could you not stain sth?
could they not stain sth?

V-ing form

could I not be stain sthing?
could you not be stain sthing?
could he not be stain sthing?
could we not be stain sthing?
could you not be stain sthing?
could they not be stain sthing?

Perfect

could I not have stain sthed?
could you not have stain sthed?
could he not have stain sthed?
could we not have stain sthed?
could you not have stain sthed?
could they not have stain sthed?

V-ing perfect

could I not have been stain sthing?
could you not have been stain sthing?
could he not have been stain sthing?
could we not have been stain sthing?
could you not have been stain sthing?
could they not have been stain sthing?

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