English verb conjugation
CAN DUMP

Regular verb: dump - dumped - dumped

Affirmation

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

Negation

Simple form	V-ing form
I cannot dump you cannot dump he cannot dump we cannot dump you cannot dump they cannot dump	I cannot be dumping you cannot be dumping he cannot be dumping we cannot be dumping you cannot be dumping they cannot be dumping
Perfect	V-ing perfect
I cannot have dumped you cannot have dumped he cannot have dumped we cannot have dumped you cannot have dumped they cannot have dumped	I cannot have been dumping you cannot have been dumping he cannot have been dumping we cannot have been dumping you cannot have been dumping they cannot have been dumping

Interrogative form

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

Interro-negative form

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