should extend
Verbo regular: extend - extended- extended

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd extend
you'd extend
he'd extend
we'd extend
you'd extend
they'd extend 	I'd be extending
you'd be extending
he'd be extending
we'd be extending
you'd be extending
they'd be extending	I should've extended
you should've extended
he should've extended
we should've extended
you should've extended
they should've extended	I should've been extending
you should've been extending
he should've been extending
we should've been extending
you should've been extending
they should've been extending	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't extend
you shouldn't extend
he shouldn't extend
we shouldn't extend
you shouldn't extend
they shouldn't extend 	I shouldn't be extending
you shouldn't be extending
he shouldn't be extending
we shouldn't be extending
you shouldn't be extending
they shouldn't be extending	I shouldn't have extended
you shouldn't have extended
he shouldn't have extended
we shouldn't have extended
you shouldn't have extended
they shouldn't have extended	I shouldn't have been extending
you shouldn't have been extending
he shouldn't have been extending
we shouldn't have been extending
you shouldn't have been extending
they shouldn't have been extending	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I extend?
should you extend?
should he extend?
should we extend?
should you extend?
should they extend? 	should I be extending?
should you be extending?
should he be extending?
should we be extending?
should you be extending?
should they be extending? 	should I have extended?
should you have extended?
should he have extended?
should we have extended?
should you have extended?
should they have extended? 	should I have been extending?
should you have been extending?
should he have been extending?
should we have been extending?
should you have been extending?
should they have been extending? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I extend?
shouldn't you extend?
shouldn't he extend?
shouldn't we extend?
shouldn't you extend?
shouldn't they extend? 	shouldn't I be extending?
shouldn't you be extending?
shouldn't he be extending?
shouldn't we be extending?
shouldn't you be extending?
shouldn't they be extending? 	shouldn't I have extended?
shouldn't you have extended?
shouldn't he have extended?
shouldn't we have extended?
shouldn't you have extended?
shouldn't they have extended? 	shouldn't I have been extending?
shouldn't you have been extending?
shouldn't he have been extending?
shouldn't we have been extending?
shouldn't you have been extending?
shouldn't they have been extending?