should frog
Verbo regular: frog - froged- froged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should frog
you should frog
she should frog
we should frog
you should frog
they should frog 	I should be froging
you should be froging
she should be froging
we should be froging
you should be froging
they should be froging	I should have froged
you should have froged
she should have froged
we should have froged
you should have froged
they should have froged	I should have been froging
you should have been froging
she should have been froging
we should have been froging
you should have been froging
they should have been froging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not frog
you should not frog
she should not frog
we should not frog
you should not frog
they should not frog 	I should not be froging
you should not be froging
she should not be froging
we should not be froging
you should not be froging
they should not be froging	I should not have froged
you should not have froged
she should not have froged
we should not have froged
you should not have froged
they should not have froged	I should not have been froging
you should not have been froging
she should not have been froging
we should not have been froging
you should not have been froging
they should not have been froging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I frog?
should you frog?
should she frog?
should we frog?
should you frog?
should they frog? 	should I be froging?
should you be froging?
should she be froging?
should we be froging?
should you be froging?
should they be froging? 	should I have froged?
should you have froged?
should she have froged?
should we have froged?
should you have froged?
should they have froged? 	should I have been froging?
should you have been froging?
should she have been froging?
should we have been froging?
should you have been froging?
should they have been froging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not frog?
should you not frog?
should she not frog?
should we not frog?
should you not frog?
should they not frog? 	should I not be froging?
should you not be froging?
should she not be froging?
should we not be froging?
should you not be froging?
should they not be froging? 	should I not have froged?
should you not have froged?
should she not have froged?
should we not have froged?
should you not have froged?
should they not have froged? 	should I not have been froging?
should you not have been froging?
should she not have been froging?
should we not have been froging?
should you not have been froging?
should they not have been froging?