can patent
Verbo regular: patent - patented- patented

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can patent
you can patent
he can patent
we can patent
you can patent
they can patent 	I can be patenting
you can be patenting
he can be patenting
we can be patenting
you can be patenting
they can be patenting	I can have patented
you can have patented
he can have patented
we can have patented
you can have patented
they can have patented	I can have been patenting
you can have been patenting
he can have been patenting
we can have been patenting
you can have been patenting
they can have been patenting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot patent
you cannot patent
he cannot patent
we cannot patent
you cannot patent
they cannot patent 	I cannot be patenting
you cannot be patenting
he cannot be patenting
we cannot be patenting
you cannot be patenting
they cannot be patenting	I cannot have patented
you cannot have patented
he cannot have patented
we cannot have patented
you cannot have patented
they cannot have patented	I cannot have been patenting
you cannot have been patenting
he cannot have been patenting
we cannot have been patenting
you cannot have been patenting
they cannot have been patenting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I patent?
can you patent?
can he patent?
can we patent?
can you patent?
can they patent? 	can I be patenting?
can you be patenting?
can he be patenting?
can we be patenting?
can you be patenting?
can they be patenting? 	can I have patented?
can you have patented?
can he have patented?
can we have patented?
can you have patented?
can they have patented? 	can I have been patenting?
can you have been patenting?
can he have been patenting?
can we have been patenting?
can you have been patenting?
can they have been patenting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not patent?
can you not patent?
can he not patent?
can we not patent?
can you not patent?
can they not patent? 	can I not be patenting?
can you not be patenting?
can he not be patenting?
can we not be patenting?
can you not be patenting?
can they not be patenting? 	can I not have patented?
can you not have patented?
can he not have patented?
can we not have patented?
can you not have patented?
can they not have patented? 	can I not have been patenting?
can you not have been patenting?
can he not have been patenting?
can we not have been patenting?
can you not have been patenting?
can they not have been patenting?