English verb conjugation
COULD BRAKE

Regular verb: brake - braked - braked

Affirmation

Simple form	V-ing form
I could brake you could brake he could brake we could brake you could brake they could brake	I could be braking you could be braking he could be braking we could be braking you could be braking they could be braking
Perfect	V-ing perfect
I could have braked you could have braked he could have braked we could have braked you could have braked they could have braked	I could have been braking you could have been braking he could have been braking we could have been braking you could have been braking they could have been braking

Negation

Simple form	V-ing form
I could not brake you could not brake he could not brake we could not brake you could not brake they could not brake	I could not be braking you could not be braking he could not be braking we could not be braking you could not be braking they could not be braking
Perfect	V-ing perfect
I could not have braked you could not have braked he could not have braked we could not have braked you could not have braked they could not have braked	I could not have been braking you could not have been braking he could not have been braking we could not have been braking you could not have been braking they could not have been braking

Interrogative form

Simple form	V-ing form
could I brake? could you brake? could he brake? could we brake? could you brake? could they brake?	could I be braking? could you be braking? could he be braking? could we be braking? could you be braking? could they be braking?
Perfect	V-ing perfect
could I have braked? could you have braked? could he have braked? could we have braked? could you have braked? could they have braked?	could I have been braking? could you have been braking? could he have been braking? could we have been braking? could you have been braking? could they have been braking?

Interro-negative form

Simple form	V-ing form
could I not brake? could you not brake? could he not brake? could we not brake? could you not brake? could they not brake?	could I not be braking? could you not be braking? could he not be braking? could we not be braking? could you not be braking? could they not be braking?
Perfect	V-ing perfect
could I not have braked? could you not have braked? could he not have braked? could we not have braked? could you not have braked? could they not have braked?	could I not have been braking? could you not have been braking? could he not have been braking? could we not have been braking? could you not have been braking? could they not have been braking?