Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could dilapidate dump you could dilapidate dump he could dilapidate dump we could dilapidate dump you could dilapidate dump they could dilapidate dump
V-ing form
I could be dilapidate dumping you could be dilapidate dumping he could be dilapidate dumping we could be dilapidate dumping you could be dilapidate dumping they could be dilapidate dumping
Perfect
I could have dilapidate dumped you could have dilapidate dumped he could have dilapidate dumped we could have dilapidate dumped you could have dilapidate dumped they could have dilapidate dumped
V-ing perfect
I could have been dilapidate dumping you could have been dilapidate dumping he could have been dilapidate dumping we could have been dilapidate dumping you could have been dilapidate dumping they could have been dilapidate dumping
Negation
Simple form
I could not dilapidate dump you could not dilapidate dump he could not dilapidate dump we could not dilapidate dump you could not dilapidate dump they could not dilapidate dump
V-ing form
I could not be dilapidate dumping you could not be dilapidate dumping he could not be dilapidate dumping we could not be dilapidate dumping you could not be dilapidate dumping they could not be dilapidate dumping
Perfect
I could not have dilapidate dumped you could not have dilapidate dumped he could not have dilapidate dumped we could not have dilapidate dumped you could not have dilapidate dumped they could not have dilapidate dumped
V-ing perfect
I could not have been dilapidate dumping you could not have been dilapidate dumping he could not have been dilapidate dumping we could not have been dilapidate dumping you could not have been dilapidate dumping they could not have been dilapidate dumping
Interrogative form
Simple form
could I dilapidate dump? could you dilapidate dump? could he dilapidate dump? could we dilapidate dump? could you dilapidate dump? could they dilapidate dump?
V-ing form
could I be dilapidate dumping? could you be dilapidate dumping? could he be dilapidate dumping? could we be dilapidate dumping? could you be dilapidate dumping? could they be dilapidate dumping?
Perfect
could I have dilapidate dumped? could you have dilapidate dumped? could he have dilapidate dumped? could we have dilapidate dumped? could you have dilapidate dumped? could they have dilapidate dumped?
V-ing perfect
could I have been dilapidate dumping? could you have been dilapidate dumping? could he have been dilapidate dumping? could we have been dilapidate dumping? could you have been dilapidate dumping? could they have been dilapidate dumping?
Interro-negative form
Simple form
could I not dilapidate dump? could you not dilapidate dump? could he not dilapidate dump? could we not dilapidate dump? could you not dilapidate dump? could they not dilapidate dump?
V-ing form
could I not be dilapidate dumping? could you not be dilapidate dumping? could he not be dilapidate dumping? could we not be dilapidate dumping? could you not be dilapidate dumping? could they not be dilapidate dumping?
Perfect
could I not have dilapidate dumped? could you not have dilapidate dumped? could he not have dilapidate dumped? could we not have dilapidate dumped? could you not have dilapidate dumped? could they not have dilapidate dumped?
V-ing perfect
could I not have been dilapidate dumping? could you not have been dilapidate dumping? could he not have been dilapidate dumping? could we not have been dilapidate dumping? could you not have been dilapidate dumping? could they not have been dilapidate dumping?