can strum
Verbo regular: strum - strummed- strummed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can strum
you can strum
he can strum
we can strum
you can strum
they can strum 	I can be strumming
you can be strumming
he can be strumming
we can be strumming
you can be strumming
they can be strumming	I can have strummed
you can have strummed
he can have strummed
we can have strummed
you can have strummed
they can have strummed	I can have been strumming
you can have been strumming
he can have been strumming
we can have been strumming
you can have been strumming
they can have been strumming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot strum
you cannot strum
he cannot strum
we cannot strum
you cannot strum
they cannot strum 	I cannot be strumming
you cannot be strumming
he cannot be strumming
we cannot be strumming
you cannot be strumming
they cannot be strumming	I cannot have strummed
you cannot have strummed
he cannot have strummed
we cannot have strummed
you cannot have strummed
they cannot have strummed	I cannot have been strumming
you cannot have been strumming
he cannot have been strumming
we cannot have been strumming
you cannot have been strumming
they cannot have been strumming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I strum?
can you strum?
can he strum?
can we strum?
can you strum?
can they strum? 	can I be strumming?
can you be strumming?
can he be strumming?
can we be strumming?
can you be strumming?
can they be strumming? 	can I have strummed?
can you have strummed?
can he have strummed?
can we have strummed?
can you have strummed?
can they have strummed? 	can I have been strumming?
can you have been strumming?
can he have been strumming?
can we have been strumming?
can you have been strumming?
can they have been strumming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not strum?
can you not strum?
can he not strum?
can we not strum?
can you not strum?
can they not strum? 	can I not be strumming?
can you not be strumming?
can he not be strumming?
can we not be strumming?
can you not be strumming?
can they not be strumming? 	can I not have strummed?
can you not have strummed?
can he not have strummed?
can we not have strummed?
can you not have strummed?
can they not have strummed? 	can I not have been strumming?
can you not have been strumming?
can he not have been strumming?
can we not have been strumming?
can you not have been strumming?
can they not have been strumming?