English verb conjugation
COULD DUMP

Regular verb: dump - dumped - dumped

Affirmation

Simple form	V-ing form
I could dump you could dump he could dump we could dump you could dump they could dump	I could be dumping you could be dumping he 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 he 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 he 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 couldn't dump you couldn't dump he couldn't dump we couldn't dump you couldn't dump they couldn't dump	I couldn't be dumping you couldn't be dumping he couldn't be dumping we couldn't be dumping you couldn't be dumping they couldn't be dumping
Perfect	V-ing perfect
I couldn't have dumped you couldn't have dumped he couldn't have dumped we couldn't have dumped you couldn't have dumped they couldn't have dumped	I couldn't have been dumping you couldn't have been dumping he couldn't have been dumping we couldn't have been dumping you couldn't have been dumping they couldn't have been dumping

Interrogative form

Simple form	V-ing form
could I dump? could you dump? could he dump? could we dump? could you dump? could they dump?	could I be dumping? could you be dumping? could he 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 he 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 he 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
couldn't I dump? couldn't you dump? couldn't he dump? couldn't we dump? couldn't you dump? couldn't they dump?	couldn't I be dumping? couldn't you be dumping? couldn't he be dumping? couldn't we be dumping? couldn't you be dumping? couldn't they be dumping?
Perfect	V-ing perfect
couldn't I have dumped? couldn't you have dumped? couldn't he have dumped? couldn't we have dumped? couldn't you have dumped? couldn't they have dumped?	couldn't I have been dumping? couldn't you have been dumping? couldn't he have been dumping? couldn't we have been dumping? couldn't you have been dumping? couldn't they have been dumping?