English verb conjugation
COULD DUMP

Regular verb: dump - dumped - dumped

Affirmation

Simple form	V-ing form
I could dump you could dump she could dump we could dump you could dump they could dump	I could be dumping you could be dumping she could be dumping we could be dumping you could be dumping they could be dumping
Perfect	V-ing perfect
I could have dumped you could have dumped she could have dumped we could have dumped you could have dumped they could have dumped	I could have been dumping you could have been dumping she could have been dumping we could have been dumping you could have been dumping they could have been dumping

Negation

Simple form	V-ing form
I could not dump you could not dump she could not dump we could not dump you could not dump they could not dump	I could not be dumping you could not be dumping she could not be dumping we could not be dumping you could not be dumping they could not be dumping
Perfect	V-ing perfect
I could not have dumped you could not have dumped she could not have dumped we could not have dumped you could not have dumped they could not have dumped	I could not have been dumping you could not have been dumping she could not have been dumping we could not have been dumping you could not have been dumping they could not have been dumping

Interrogative form

Simple form	V-ing form
could I dump? could you dump? could she dump? could we dump? could you dump? could they dump?	could I be dumping? could you be dumping? could she be dumping? could we be dumping? could you be dumping? could they be dumping?
Perfect	V-ing perfect
could I have dumped? could you have dumped? could she have dumped? could we have dumped? could you have dumped? could they have dumped?	could I have been dumping? could you have been dumping? could she have been dumping? could we have been dumping? could you have been dumping? could they have been dumping?

Interro-negative form

Simple form	V-ing form
could I not dump? could you not dump? could she not dump? could we not dump? could you not dump? could they not dump?	could I not be dumping? could you not be dumping? could she not be dumping? could we not be dumping? could you not be dumping? could they not be dumping?
Perfect	V-ing perfect
could I not have dumped? could you not have dumped? could she not have dumped? could we not have dumped? could you not have dumped? could they not have dumped?	could I not have been dumping? could you not have been dumping? could she not have been dumping? could we not have been dumping? could you not have been dumping? could they not have been dumping?