can thrum
Regular verb: thrum - thrumed- thrumed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can thrum
you can thrum
she can thrum
we can thrum
you can thrum
they can thrum 	I can be thruming
you can be thruming
she can be thruming
we can be thruming
you can be thruming
they can be thruming	I can have thrumed
you can have thrumed
she can have thrumed
we can have thrumed
you can have thrumed
they can have thrumed	I can have been thruming
you can have been thruming
she can have been thruming
we can have been thruming
you can have been thruming
they can have been thruming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't thrum
you can't thrum
she can't thrum
we can't thrum
you can't thrum
they can't thrum 	I can't be thruming
you can't be thruming
she can't be thruming
we can't be thruming
you can't be thruming
they can't be thruming	I can't have thrumed
you can't have thrumed
she can't have thrumed
we can't have thrumed
you can't have thrumed
they can't have thrumed	I can't have been thruming
you can't have been thruming
she can't have been thruming
we can't have been thruming
you can't have been thruming
they can't have been thruming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I thrum?
can you thrum?
can she thrum?
can we thrum?
can you thrum?
can they thrum? 	can I be thruming?
can you be thruming?
can she be thruming?
can we be thruming?
can you be thruming?
can they be thruming? 	can I have thrumed?
can you have thrumed?
can she have thrumed?
can we have thrumed?
can you have thrumed?
can they have thrumed? 	can I have been thruming?
can you have been thruming?
can she have been thruming?
can we have been thruming?
can you have been thruming?
can they have been thruming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I thrum?
can't you thrum?
can't she thrum?
can't we thrum?
can't you thrum?
can't they thrum? 	can't I be thruming?
can't you be thruming?
can't she be thruming?
can't we be thruming?
can't you be thruming?
can't they be thruming? 	can't I have thrumed?
can't you have thrumed?
can't she have thrumed?
can't we have thrumed?
can't you have thrumed?
can't they have thrumed? 	can't I have been thruming?
can't you have been thruming?
can't she have been thruming?
can't we have been thruming?
can't you have been thruming?
can't they have been thruming?