should require
Verbo regular: require - required- required

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should require
you should require
he should require
we should require
you should require
they should require 	I should be requiring
you should be requiring
he should be requiring
we should be requiring
you should be requiring
they should be requiring	I should have required
you should have required
he should have required
we should have required
you should have required
they should have required	I should have been requiring
you should have been requiring
he should have been requiring
we should have been requiring
you should have been requiring
they should have been requiring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not require
you should not require
he should not require
we should not require
you should not require
they should not require 	I should not be requiring
you should not be requiring
he should not be requiring
we should not be requiring
you should not be requiring
they should not be requiring	I should not have required
you should not have required
he should not have required
we should not have required
you should not have required
they should not have required	I should not have been requiring
you should not have been requiring
he should not have been requiring
we should not have been requiring
you should not have been requiring
they should not have been requiring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I require?
should you require?
should he require?
should we require?
should you require?
should they require? 	should I be requiring?
should you be requiring?
should he be requiring?
should we be requiring?
should you be requiring?
should they be requiring? 	should I have required?
should you have required?
should he have required?
should we have required?
should you have required?
should they have required? 	should I have been requiring?
should you have been requiring?
should he have been requiring?
should we have been requiring?
should you have been requiring?
should they have been requiring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not require?
should you not require?
should he not require?
should we not require?
should you not require?
should they not require? 	should I not be requiring?
should you not be requiring?
should he not be requiring?
should we not be requiring?
should you not be requiring?
should they not be requiring? 	should I not have required?
should you not have required?
should he not have required?
should we not have required?
should you not have required?
should they not have required? 	should I not have been requiring?
should you not have been requiring?
should he not have been requiring?
should we not have been requiring?
should you not have been requiring?
should they not have been requiring?