English verb conjugation
COULD ROUGH-HEW

Regular verb: rough-hew - rough-hewed - rough-hewed

Affirmation

Simple form	V-ing form
I could rough-hew you could rough-hew he could rough-hew we could rough-hew you could rough-hew they could rough-hew	I could be rough-hewing you could be rough-hewing he could be rough-hewing we could be rough-hewing you could be rough-hewing they could be rough-hewing
Perfect	V-ing perfect
I could have rough-hewed you could have rough-hewed he could have rough-hewed we could have rough-hewed you could have rough-hewed they could have rough-hewed	I could have been rough-hewing you could have been rough-hewing he could have been rough-hewing we could have been rough-hewing you could have been rough-hewing they could have been rough-hewing

Negation

Simple form	V-ing form
I could not rough-hew you could not rough-hew he could not rough-hew we could not rough-hew you could not rough-hew they could not rough-hew	I could not be rough-hewing you could not be rough-hewing he could not be rough-hewing we could not be rough-hewing you could not be rough-hewing they could not be rough-hewing
Perfect	V-ing perfect
I could not have rough-hewed you could not have rough-hewed he could not have rough-hewed we could not have rough-hewed you could not have rough-hewed they could not have rough-hewed	I could not have been rough-hewing you could not have been rough-hewing he could not have been rough-hewing we could not have been rough-hewing you could not have been rough-hewing they could not have been rough-hewing

Interrogative form

Simple form	V-ing form
could I rough-hew? could you rough-hew? could he rough-hew? could we rough-hew? could you rough-hew? could they rough-hew?	could I be rough-hewing? could you be rough-hewing? could he be rough-hewing? could we be rough-hewing? could you be rough-hewing? could they be rough-hewing?
Perfect	V-ing perfect
could I have rough-hewed? could you have rough-hewed? could he have rough-hewed? could we have rough-hewed? could you have rough-hewed? could they have rough-hewed?	could I have been rough-hewing? could you have been rough-hewing? could he have been rough-hewing? could we have been rough-hewing? could you have been rough-hewing? could they have been rough-hewing?

Interro-negative form

Simple form	V-ing form
could I not rough-hew? could you not rough-hew? could he not rough-hew? could we not rough-hew? could you not rough-hew? could they not rough-hew?	could I not be rough-hewing? could you not be rough-hewing? could he not be rough-hewing? could we not be rough-hewing? could you not be rough-hewing? could they not be rough-hewing?
Perfect	V-ing perfect
could I not have rough-hewed? could you not have rough-hewed? could he not have rough-hewed? could we not have rough-hewed? could you not have rough-hewed? could they not have rough-hewed?	could I not have been rough-hewing? could you not have been rough-hewing? could he not have been rough-hewing? could we not have been rough-hewing? could you not have been rough-hewing? could they not have been rough-hewing?