can thrum
Verbo regular: thrum - thrumed- thrumed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can thrum
you can thrum
he can thrum
we can thrum
you can thrum
they can thrum 	I can be thruming
you can be thruming
he can be thruming
we can be thruming
you can be thruming
they can be thruming	I can have thrumed
you can have thrumed
he 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
he can have been thruming
we can have been thruming
you can have been thruming
they can have been thruming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot thrum
you cannot thrum
he cannot thrum
we cannot thrum
you cannot thrum
they cannot thrum 	I cannot be thruming
you cannot be thruming
he cannot be thruming
we cannot be thruming
you cannot be thruming
they cannot be thruming	I cannot have thrumed
you cannot have thrumed
he cannot have thrumed
we cannot have thrumed
you cannot have thrumed
they cannot have thrumed	I cannot have been thruming
you cannot have been thruming
he cannot have been thruming
we cannot have been thruming
you cannot have been thruming
they cannot have been thruming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I thrum?
can you thrum?
can he thrum?
can we thrum?
can you thrum?
can they thrum? 	can I be thruming?
can you be thruming?
can he be thruming?
can we be thruming?
can you be thruming?
can they be thruming? 	can I have thrumed?
can you have thrumed?
can he 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 he have been thruming?
can we have been thruming?
can you have been thruming?
can they have been thruming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not thrum?
can you not thrum?
can he not thrum?
can we not thrum?
can you not thrum?
can they not thrum? 	can I not be thruming?
can you not be thruming?
can he not be thruming?
can we not be thruming?
can you not be thruming?
can they not be thruming? 	can I not have thrumed?
can you not have thrumed?
can he not have thrumed?
can we not have thrumed?
can you not have thrumed?
can they not have thrumed? 	can I not have been thruming?
can you not have been thruming?
can he not have been thruming?
can we not have been thruming?
can you not have been thruming?
can they not have been thruming?