should tumble
Verbo regular: tumble - tumbled- tumbled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should tumble
you should tumble
he should tumble
we should tumble
you should tumble
they should tumble 	I should be tumbling
you should be tumbling
he should be tumbling
we should be tumbling
you should be tumbling
they should be tumbling	I should have tumbled
you should have tumbled
he should have tumbled
we should have tumbled
you should have tumbled
they should have tumbled	I should have been tumbling
you should have been tumbling
he should have been tumbling
we should have been tumbling
you should have been tumbling
they should have been tumbling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not tumble
you should not tumble
he should not tumble
we should not tumble
you should not tumble
they should not tumble 	I should not be tumbling
you should not be tumbling
he should not be tumbling
we should not be tumbling
you should not be tumbling
they should not be tumbling	I should not have tumbled
you should not have tumbled
he should not have tumbled
we should not have tumbled
you should not have tumbled
they should not have tumbled	I should not have been tumbling
you should not have been tumbling
he should not have been tumbling
we should not have been tumbling
you should not have been tumbling
they should not have been tumbling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I tumble?
should you tumble?
should he tumble?
should we tumble?
should you tumble?
should they tumble? 	should I be tumbling?
should you be tumbling?
should he be tumbling?
should we be tumbling?
should you be tumbling?
should they be tumbling? 	should I have tumbled?
should you have tumbled?
should he have tumbled?
should we have tumbled?
should you have tumbled?
should they have tumbled? 	should I have been tumbling?
should you have been tumbling?
should he have been tumbling?
should we have been tumbling?
should you have been tumbling?
should they have been tumbling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not tumble?
should you not tumble?
should he not tumble?
should we not tumble?
should you not tumble?
should they not tumble? 	should I not be tumbling?
should you not be tumbling?
should he not be tumbling?
should we not be tumbling?
should you not be tumbling?
should they not be tumbling? 	should I not have tumbled?
should you not have tumbled?
should he not have tumbled?
should we not have tumbled?
should you not have tumbled?
should they not have tumbled? 	should I not have been tumbling?
should you not have been tumbling?
should he not have been tumbling?
should we not have been tumbling?
should you not have been tumbling?
should they not have been tumbling?