should attain
Verbo regular: attain - attained- attained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should attain
you should attain
she should attain
we should attain
you should attain
they should attain 	I should be attaining
you should be attaining
she should be attaining
we should be attaining
you should be attaining
they should be attaining	I should have attained
you should have attained
she should have attained
we should have attained
you should have attained
they should have attained	I should have been attaining
you should have been attaining
she should have been attaining
we should have been attaining
you should have been attaining
they should have been attaining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not attain
you should not attain
she should not attain
we should not attain
you should not attain
they should not attain 	I should not be attaining
you should not be attaining
she should not be attaining
we should not be attaining
you should not be attaining
they should not be attaining	I should not have attained
you should not have attained
she should not have attained
we should not have attained
you should not have attained
they should not have attained	I should not have been attaining
you should not have been attaining
she should not have been attaining
we should not have been attaining
you should not have been attaining
they should not have been attaining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I attain?
should you attain?
should she attain?
should we attain?
should you attain?
should they attain? 	should I be attaining?
should you be attaining?
should she be attaining?
should we be attaining?
should you be attaining?
should they be attaining? 	should I have attained?
should you have attained?
should she have attained?
should we have attained?
should you have attained?
should they have attained? 	should I have been attaining?
should you have been attaining?
should she have been attaining?
should we have been attaining?
should you have been attaining?
should they have been attaining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not attain?
should you not attain?
should she not attain?
should we not attain?
should you not attain?
should they not attain? 	should I not be attaining?
should you not be attaining?
should she not be attaining?
should we not be attaining?
should you not be attaining?
should they not be attaining? 	should I not have attained?
should you not have attained?
should she not have attained?
should we not have attained?
should you not have attained?
should they not have attained? 	should I not have been attaining?
should you not have been attaining?
should she not have been attaining?
should we not have been attaining?
should you not have been attaining?
should they not have been attaining?