should practice
Verbo regular: practice - practiced- practiced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should practice
you should practice
he should practice
we should practice
you should practice
they should practice 	I should be practicing
you should be practicing
he should be practicing
we should be practicing
you should be practicing
they should be practicing	I should have practiced
you should have practiced
he should have practiced
we should have practiced
you should have practiced
they should have practiced	I should have been practicing
you should have been practicing
he should have been practicing
we should have been practicing
you should have been practicing
they should have been practicing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not practice
you should not practice
he should not practice
we should not practice
you should not practice
they should not practice 	I should not be practicing
you should not be practicing
he should not be practicing
we should not be practicing
you should not be practicing
they should not be practicing	I should not have practiced
you should not have practiced
he should not have practiced
we should not have practiced
you should not have practiced
they should not have practiced	I should not have been practicing
you should not have been practicing
he should not have been practicing
we should not have been practicing
you should not have been practicing
they should not have been practicing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I practice?
should you practice?
should he practice?
should we practice?
should you practice?
should they practice? 	should I be practicing?
should you be practicing?
should he be practicing?
should we be practicing?
should you be practicing?
should they be practicing? 	should I have practiced?
should you have practiced?
should he have practiced?
should we have practiced?
should you have practiced?
should they have practiced? 	should I have been practicing?
should you have been practicing?
should he have been practicing?
should we have been practicing?
should you have been practicing?
should they have been practicing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not practice?
should you not practice?
should he not practice?
should we not practice?
should you not practice?
should they not practice? 	should I not be practicing?
should you not be practicing?
should he not be practicing?
should we not be practicing?
should you not be practicing?
should they not be practicing? 	should I not have practiced?
should you not have practiced?
should he not have practiced?
should we not have practiced?
should you not have practiced?
should they not have practiced? 	should I not have been practicing?
should you not have been practicing?
should he not have been practicing?
should we not have been practicing?
should you not have been practicing?
should they not have been practicing?