can dump
Regular verb: dump - dumped- dumped

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

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