English verb conjugation
COULD DISGRACE

Regular verb: disgrace - disgraced - disgraced

Affirmation

Simple form	V-ing form
I could disgrace you could disgrace he could disgrace we could disgrace you could disgrace they could disgrace	I could be disgracing you could be disgracing he could be disgracing we could be disgracing you could be disgracing they could be disgracing
Perfect	V-ing perfect
I could have disgraced you could have disgraced he could have disgraced we could have disgraced you could have disgraced they could have disgraced	I could have been disgracing you could have been disgracing he could have been disgracing we could have been disgracing you could have been disgracing they could have been disgracing

Negation

Simple form	V-ing form
I couldn't disgrace you couldn't disgrace he couldn't disgrace we couldn't disgrace you couldn't disgrace they couldn't disgrace	I couldn't be disgracing you couldn't be disgracing he couldn't be disgracing we couldn't be disgracing you couldn't be disgracing they couldn't be disgracing
Perfect	V-ing perfect
I couldn't have disgraced you couldn't have disgraced he couldn't have disgraced we couldn't have disgraced you couldn't have disgraced they couldn't have disgraced	I couldn't have been disgracing you couldn't have been disgracing he couldn't have been disgracing we couldn't have been disgracing you couldn't have been disgracing they couldn't have been disgracing

Interrogative form

Simple form	V-ing form
could I disgrace? could you disgrace? could he disgrace? could we disgrace? could you disgrace? could they disgrace?	could I be disgracing? could you be disgracing? could he be disgracing? could we be disgracing? could you be disgracing? could they be disgracing?
Perfect	V-ing perfect
could I have disgraced? could you have disgraced? could he have disgraced? could we have disgraced? could you have disgraced? could they have disgraced?	could I have been disgracing? could you have been disgracing? could he have been disgracing? could we have been disgracing? could you have been disgracing? could they have been disgracing?

Interro-negative form

Simple form	V-ing form
couldn't I disgrace? couldn't you disgrace? couldn't he disgrace? couldn't we disgrace? couldn't you disgrace? couldn't they disgrace?	couldn't I be disgracing? couldn't you be disgracing? couldn't he be disgracing? couldn't we be disgracing? couldn't you be disgracing? couldn't they be disgracing?
Perfect	V-ing perfect
couldn't I have disgraced? couldn't you have disgraced? couldn't he have disgraced? couldn't we have disgraced? couldn't you have disgraced? couldn't they have disgraced?	couldn't I have been disgracing? couldn't you have been disgracing? couldn't he have been disgracing? couldn't we have been disgracing? couldn't you have been disgracing? couldn't they have been disgracing?