should leaven
Verbo regular: leaven - leavened- leavened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should leaven
you should leaven
he should leaven
we should leaven
you should leaven
they should leaven 	I should be leavening
you should be leavening
he should be leavening
we should be leavening
you should be leavening
they should be leavening	I should have leavened
you should have leavened
he should have leavened
we should have leavened
you should have leavened
they should have leavened	I should have been leavening
you should have been leavening
he should have been leavening
we should have been leavening
you should have been leavening
they should have been leavening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not leaven
you should not leaven
he should not leaven
we should not leaven
you should not leaven
they should not leaven 	I should not be leavening
you should not be leavening
he should not be leavening
we should not be leavening
you should not be leavening
they should not be leavening	I should not have leavened
you should not have leavened
he should not have leavened
we should not have leavened
you should not have leavened
they should not have leavened	I should not have been leavening
you should not have been leavening
he should not have been leavening
we should not have been leavening
you should not have been leavening
they should not have been leavening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I leaven?
should you leaven?
should he leaven?
should we leaven?
should you leaven?
should they leaven? 	should I be leavening?
should you be leavening?
should he be leavening?
should we be leavening?
should you be leavening?
should they be leavening? 	should I have leavened?
should you have leavened?
should he have leavened?
should we have leavened?
should you have leavened?
should they have leavened? 	should I have been leavening?
should you have been leavening?
should he have been leavening?
should we have been leavening?
should you have been leavening?
should they have been leavening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not leaven?
should you not leaven?
should he not leaven?
should we not leaven?
should you not leaven?
should they not leaven? 	should I not be leavening?
should you not be leavening?
should he not be leavening?
should we not be leavening?
should you not be leavening?
should they not be leavening? 	should I not have leavened?
should you not have leavened?
should he not have leavened?
should we not have leavened?
should you not have leavened?
should they not have leavened? 	should I not have been leavening?
should you not have been leavening?
should he not have been leavening?
should we not have been leavening?
should you not have been leavening?
should they not have been leavening?