should yen
Verbe régulier : yen - yenned- yenned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should yen
you should yen
he should yen
we should yen
you should yen
they should yen 	I should be yenning
you should be yenning
he should be yenning
we should be yenning
you should be yenning
they should be yenning	I should have yenned
you should have yenned
he should have yenned
we should have yenned
you should have yenned
they should have yenned	I should have been yenning
you should have been yenning
he should have been yenning
we should have been yenning
you should have been yenning
they should have been yenning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not yen
you should not yen
he should not yen
we should not yen
you should not yen
they should not yen 	I should not be yenning
you should not be yenning
he should not be yenning
we should not be yenning
you should not be yenning
they should not be yenning	I should not have yenned
you should not have yenned
he should not have yenned
we should not have yenned
you should not have yenned
they should not have yenned	I should not have been yenning
you should not have been yenning
he should not have been yenning
we should not have been yenning
you should not have been yenning
they should not have been yenning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I yen?
should you yen?
should he yen?
should we yen?
should you yen?
should they yen? 	should I be yenning?
should you be yenning?
should he be yenning?
should we be yenning?
should you be yenning?
should they be yenning? 	should I have yenned?
should you have yenned?
should he have yenned?
should we have yenned?
should you have yenned?
should they have yenned? 	should I have been yenning?
should you have been yenning?
should he have been yenning?
should we have been yenning?
should you have been yenning?
should they have been yenning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not yen?
should you not yen?
should he not yen?
should we not yen?
should you not yen?
should they not yen? 	should I not be yenning?
should you not be yenning?
should he not be yenning?
should we not be yenning?
should you not be yenning?
should they not be yenning? 	should I not have yenned?
should you not have yenned?
should he not have yenned?
should we not have yenned?
should you not have yenned?
should they not have yenned? 	should I not have been yenning?
should you not have been yenning?
should he not have been yenning?
should we not have been yenning?
should you not have been yenning?
should they not have been yenning?