can thump
Regular verb: thump - thumped- thumped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can thump
you can thump
she can thump
we can thump
you can thump
they can thump 	I can be thumping
you can be thumping
she can be thumping
we can be thumping
you can be thumping
they can be thumping	I can have thumped
you can have thumped
she can have thumped
we can have thumped
you can have thumped
they can have thumped	I can have been thumping
you can have been thumping
she can have been thumping
we can have been thumping
you can have been thumping
they can have been thumping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't thump
you can't thump
she can't thump
we can't thump
you can't thump
they can't thump 	I can't be thumping
you can't be thumping
she can't be thumping
we can't be thumping
you can't be thumping
they can't be thumping	I can't have thumped
you can't have thumped
she can't have thumped
we can't have thumped
you can't have thumped
they can't have thumped	I can't have been thumping
you can't have been thumping
she can't have been thumping
we can't have been thumping
you can't have been thumping
they can't have been thumping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I thump?
can you thump?
can she thump?
can we thump?
can you thump?
can they thump? 	can I be thumping?
can you be thumping?
can she be thumping?
can we be thumping?
can you be thumping?
can they be thumping? 	can I have thumped?
can you have thumped?
can she have thumped?
can we have thumped?
can you have thumped?
can they have thumped? 	can I have been thumping?
can you have been thumping?
can she have been thumping?
can we have been thumping?
can you have been thumping?
can they have been thumping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I thump?
can't you thump?
can't she thump?
can't we thump?
can't you thump?
can't they thump? 	can't I be thumping?
can't you be thumping?
can't she be thumping?
can't we be thumping?
can't you be thumping?
can't they be thumping? 	can't I have thumped?
can't you have thumped?
can't she have thumped?
can't we have thumped?
can't you have thumped?
can't they have thumped? 	can't I have been thumping?
can't you have been thumping?
can't she have been thumping?
can't we have been thumping?
can't you have been thumping?
can't they have been thumping?