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 couldn't sough you couldn't sough he couldn't sough we couldn't sough you couldn't sough they couldn't sough	I couldn't be soughing you couldn't be soughing he couldn't be soughing we couldn't be soughing you couldn't be soughing they couldn't be soughing
Perfect	V-ing perfect
I couldn't have soughed you couldn't have soughed he couldn't have soughed we couldn't have soughed you couldn't have soughed they couldn't have soughed	I couldn't have been soughing you couldn't have been soughing he couldn't have been soughing we couldn't have been soughing you couldn't have been soughing they couldn't 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
couldn't I sough? couldn't you sough? couldn't he sough? couldn't we sough? couldn't you sough? couldn't they sough?	couldn't I be soughing? couldn't you be soughing? couldn't he be soughing? couldn't we be soughing? couldn't you be soughing? couldn't they be soughing?
Perfect	V-ing perfect
couldn't I have soughed? couldn't you have soughed? couldn't he have soughed? couldn't we have soughed? couldn't you have soughed? couldn't they have soughed?	couldn't I have been soughing? couldn't you have been soughing? couldn't he have been soughing? couldn't we have been soughing? couldn't you have been soughing? couldn't they have been soughing?