can yen
Verbo regular: yen - yenned- yenned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can yen
you can yen
he can yen
we can yen
you can yen
they can yen 	I can be yenning
you can be yenning
he can be yenning
we can be yenning
you can be yenning
they can be yenning	I can have yenned
you can have yenned
he can have yenned
we can have yenned
you can have yenned
they can have yenned	I can have been yenning
you can have been yenning
he can have been yenning
we can have been yenning
you can have been yenning
they can have been yenning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot yen
you cannot yen
he cannot yen
we cannot yen
you cannot yen
they cannot yen 	I cannot be yenning
you cannot be yenning
he cannot be yenning
we cannot be yenning
you cannot be yenning
they cannot be yenning	I cannot have yenned
you cannot have yenned
he cannot have yenned
we cannot have yenned
you cannot have yenned
they cannot have yenned	I cannot have been yenning
you cannot have been yenning
he cannot have been yenning
we cannot have been yenning
you cannot have been yenning
they cannot have been yenning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I yen?
can you yen?
can he yen?
can we yen?
can you yen?
can they yen? 	can I be yenning?
can you be yenning?
can he be yenning?
can we be yenning?
can you be yenning?
can they be yenning? 	can I have yenned?
can you have yenned?
can he have yenned?
can we have yenned?
can you have yenned?
can they have yenned? 	can I have been yenning?
can you have been yenning?
can he have been yenning?
can we have been yenning?
can you have been yenning?
can they have been yenning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not yen?
can you not yen?
can he not yen?
can we not yen?
can you not yen?
can they not yen? 	can I not be yenning?
can you not be yenning?
can he not be yenning?
can we not be yenning?
can you not be yenning?
can they not be yenning? 	can I not have yenned?
can you not have yenned?
can he not have yenned?
can we not have yenned?
can you not have yenned?
can they not have yenned? 	can I not have been yenning?
can you not have been yenning?
can he not have been yenning?
can we not have been yenning?
can you not have been yenning?
can they not have been yenning?