should underline
Verbo regular: underline - underlined- underlined

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should underline
you should underline
he should underline
we should underline
you should underline
they should underline 	I should be underlining
you should be underlining
he should be underlining
we should be underlining
you should be underlining
they should be underlining	I should have underlined
you should have underlined
he should have underlined
we should have underlined
you should have underlined
they should have underlined	I should have been underlining
you should have been underlining
he should have been underlining
we should have been underlining
you should have been underlining
they should have been underlining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not underline
you should not underline
he should not underline
we should not underline
you should not underline
they should not underline 	I should not be underlining
you should not be underlining
he should not be underlining
we should not be underlining
you should not be underlining
they should not be underlining	I should not have underlined
you should not have underlined
he should not have underlined
we should not have underlined
you should not have underlined
they should not have underlined	I should not have been underlining
you should not have been underlining
he should not have been underlining
we should not have been underlining
you should not have been underlining
they should not have been underlining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I underline?
should you underline?
should he underline?
should we underline?
should you underline?
should they underline? 	should I be underlining?
should you be underlining?
should he be underlining?
should we be underlining?
should you be underlining?
should they be underlining? 	should I have underlined?
should you have underlined?
should he have underlined?
should we have underlined?
should you have underlined?
should they have underlined? 	should I have been underlining?
should you have been underlining?
should he have been underlining?
should we have been underlining?
should you have been underlining?
should they have been underlining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not underline?
should you not underline?
should he not underline?
should we not underline?
should you not underline?
should they not underline? 	should I not be underlining?
should you not be underlining?
should he not be underlining?
should we not be underlining?
should you not be underlining?
should they not be underlining? 	should I not have underlined?
should you not have underlined?
should he not have underlined?
should we not have underlined?
should you not have underlined?
should they not have underlined? 	should I not have been underlining?
should you not have been underlining?
should he not have been underlining?
should we not have been underlining?
should you not have been underlining?
should they not have been underlining?