should tissue
Verbo regular: tissue - tissued- tissued

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd tissue
you'd tissue
he'd tissue
we'd tissue
you'd tissue
they'd tissue 	I'd be tissuing
you'd be tissuing
he'd be tissuing
we'd be tissuing
you'd be tissuing
they'd be tissuing	I should've tissued
you should've tissued
he should've tissued
we should've tissued
you should've tissued
they should've tissued	I should've been tissuing
you should've been tissuing
he should've been tissuing
we should've been tissuing
you should've been tissuing
they should've been tissuing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't tissue
you shouldn't tissue
he shouldn't tissue
we shouldn't tissue
you shouldn't tissue
they shouldn't tissue 	I shouldn't be tissuing
you shouldn't be tissuing
he shouldn't be tissuing
we shouldn't be tissuing
you shouldn't be tissuing
they shouldn't be tissuing	I shouldn't have tissued
you shouldn't have tissued
he shouldn't have tissued
we shouldn't have tissued
you shouldn't have tissued
they shouldn't have tissued	I shouldn't have been tissuing
you shouldn't have been tissuing
he shouldn't have been tissuing
we shouldn't have been tissuing
you shouldn't have been tissuing
they shouldn't have been tissuing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I tissue?
should you tissue?
should he tissue?
should we tissue?
should you tissue?
should they tissue? 	should I be tissuing?
should you be tissuing?
should he be tissuing?
should we be tissuing?
should you be tissuing?
should they be tissuing? 	should I have tissued?
should you have tissued?
should he have tissued?
should we have tissued?
should you have tissued?
should they have tissued? 	should I have been tissuing?
should you have been tissuing?
should he have been tissuing?
should we have been tissuing?
should you have been tissuing?
should they have been tissuing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I tissue?
shouldn't you tissue?
shouldn't he tissue?
shouldn't we tissue?
shouldn't you tissue?
shouldn't they tissue? 	shouldn't I be tissuing?
shouldn't you be tissuing?
shouldn't he be tissuing?
shouldn't we be tissuing?
shouldn't you be tissuing?
shouldn't they be tissuing? 	shouldn't I have tissued?
shouldn't you have tissued?
shouldn't he have tissued?
shouldn't we have tissued?
shouldn't you have tissued?
shouldn't they have tissued? 	shouldn't I have been tissuing?
shouldn't you have been tissuing?
shouldn't he have been tissuing?
shouldn't we have been tissuing?
shouldn't you have been tissuing?
shouldn't they have been tissuing?