English verb conjugation
COULD SOUGH

Regular verb: sough - soughed - soughed

Affirmation

Simple form	V-ing form
I could sough you could sough he could sough we could sough you could sough they could sough	I could be soughing you could be soughing he could be soughing we could be soughing you could be soughing they could be soughing
Perfect	V-ing perfect
I could have soughed you could have soughed he could have soughed we could have soughed you could have soughed they could have soughed	I could have been soughing you could have been soughing he could have been soughing we could have been soughing you could have been soughing they could have been soughing

Negation

Simple form	V-ing form
I could not sough you could not sough he could not sough we could not sough you could not sough they could not sough	I could not be soughing you could not be soughing he could not be soughing we could not be soughing you could not be soughing they could not be soughing
Perfect	V-ing perfect
I could not have soughed you could not have soughed he could not have soughed we could not have soughed you could not have soughed they could not have soughed	I could not have been soughing you could not have been soughing he could not have been soughing we could not have been soughing you could not have been soughing they could not have been soughing

Interrogative form

Simple form	V-ing form
could I sough? could you sough? could he sough? could we sough? could you sough? could they sough?	could I be soughing? could you be soughing? could he be soughing? could we be soughing? could you be soughing? could they be soughing?
Perfect	V-ing perfect
could I have soughed? could you have soughed? could he have soughed? could we have soughed? could you have soughed? could they have soughed?	could I have been soughing? could you have been soughing? could he have been soughing? could we have been soughing? could you have been soughing? could they have been soughing?

Interro-negative form

Simple form	V-ing form
could I not sough? could you not sough? could he not sough? could we not sough? could you not sough? could they not sough?	could I not be soughing? could you not be soughing? could he not be soughing? could we not be soughing? could you not be soughing? could they not be soughing?
Perfect	V-ing perfect
could I not have soughed? could you not have soughed? could he not have soughed? could we not have soughed? could you not have soughed? could they not have soughed?	could I not have been soughing? could you not have been soughing? could he not have been soughing? could we not have been soughing? could you not have been soughing? could they not have been soughing?