English verb conjugation
COULD COAT

Regular verb: coat - coated - coated

Affirmation

Simple form	V-ing form
I could coat you could coat he could coat we could coat you could coat they could coat	I could be coating you could be coating he could be coating we could be coating you could be coating they could be coating
Perfect	V-ing perfect
I could have coated you could have coated he could have coated we could have coated you could have coated they could have coated	I could have been coating you could have been coating he could have been coating we could have been coating you could have been coating they could have been coating

Negation

Simple form	V-ing form
I could not coat you could not coat he could not coat we could not coat you could not coat they could not coat	I could not be coating you could not be coating he could not be coating we could not be coating you could not be coating they could not be coating
Perfect	V-ing perfect
I could not have coated you could not have coated he could not have coated we could not have coated you could not have coated they could not have coated	I could not have been coating you could not have been coating he could not have been coating we could not have been coating you could not have been coating they could not have been coating

Interrogative form

Simple form	V-ing form
could I coat? could you coat? could he coat? could we coat? could you coat? could they coat?	could I be coating? could you be coating? could he be coating? could we be coating? could you be coating? could they be coating?
Perfect	V-ing perfect
could I have coated? could you have coated? could he have coated? could we have coated? could you have coated? could they have coated?	could I have been coating? could you have been coating? could he have been coating? could we have been coating? could you have been coating? could they have been coating?

Interro-negative form

Simple form	V-ing form
could I not coat? could you not coat? could he not coat? could we not coat? could you not coat? could they not coat?	could I not be coating? could you not be coating? could he not be coating? could we not be coating? could you not be coating? could they not be coating?
Perfect	V-ing perfect
could I not have coated? could you not have coated? could he not have coated? could we not have coated? could you not have coated? could they not have coated?	could I not have been coating? could you not have been coating? could he not have been coating? could we not have been coating? could you not have been coating? could they not have been coating?