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 couldn't rough-hew you couldn't rough-hew he couldn't rough-hew we couldn't rough-hew you couldn't rough-hew they couldn't rough-hew	I couldn't be rough-hewing you couldn't be rough-hewing he couldn't be rough-hewing we couldn't be rough-hewing you couldn't be rough-hewing they couldn't be rough-hewing
Perfect	V-ing perfect
I couldn't have rough-hewed you couldn't have rough-hewed he couldn't have rough-hewed we couldn't have rough-hewed you couldn't have rough-hewed they couldn't have rough-hewed	I couldn't have been rough-hewing you couldn't have been rough-hewing he couldn't have been rough-hewing we couldn't have been rough-hewing you couldn't have been rough-hewing they couldn't 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
couldn't I rough-hew? couldn't you rough-hew? couldn't he rough-hew? couldn't we rough-hew? couldn't you rough-hew? couldn't they rough-hew?	couldn't I be rough-hewing? couldn't you be rough-hewing? couldn't he be rough-hewing? couldn't we be rough-hewing? couldn't you be rough-hewing? couldn't they be rough-hewing?
Perfect	V-ing perfect
couldn't I have rough-hewed? couldn't you have rough-hewed? couldn't he have rough-hewed? couldn't we have rough-hewed? couldn't you have rough-hewed? couldn't they have rough-hewed?	couldn't I have been rough-hewing? couldn't you have been rough-hewing? couldn't he have been rough-hewing? couldn't we have been rough-hewing? couldn't you have been rough-hewing? couldn't they have been rough-hewing?