should nitrate
Verbo regular: nitrate - nitrated- nitrated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should nitrate
you should nitrate
he should nitrate
we should nitrate
you should nitrate
they should nitrate 	I should be nitrating
you should be nitrating
he should be nitrating
we should be nitrating
you should be nitrating
they should be nitrating	I should have nitrated
you should have nitrated
he should have nitrated
we should have nitrated
you should have nitrated
they should have nitrated	I should have been nitrating
you should have been nitrating
he should have been nitrating
we should have been nitrating
you should have been nitrating
they should have been nitrating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not nitrate
you should not nitrate
he should not nitrate
we should not nitrate
you should not nitrate
they should not nitrate 	I should not be nitrating
you should not be nitrating
he should not be nitrating
we should not be nitrating
you should not be nitrating
they should not be nitrating	I should not have nitrated
you should not have nitrated
he should not have nitrated
we should not have nitrated
you should not have nitrated
they should not have nitrated	I should not have been nitrating
you should not have been nitrating
he should not have been nitrating
we should not have been nitrating
you should not have been nitrating
they should not have been nitrating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I nitrate?
should you nitrate?
should he nitrate?
should we nitrate?
should you nitrate?
should they nitrate? 	should I be nitrating?
should you be nitrating?
should he be nitrating?
should we be nitrating?
should you be nitrating?
should they be nitrating? 	should I have nitrated?
should you have nitrated?
should he have nitrated?
should we have nitrated?
should you have nitrated?
should they have nitrated? 	should I have been nitrating?
should you have been nitrating?
should he have been nitrating?
should we have been nitrating?
should you have been nitrating?
should they have been nitrating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not nitrate?
should you not nitrate?
should he not nitrate?
should we not nitrate?
should you not nitrate?
should they not nitrate? 	should I not be nitrating?
should you not be nitrating?
should he not be nitrating?
should we not be nitrating?
should you not be nitrating?
should they not be nitrating? 	should I not have nitrated?
should you not have nitrated?
should he not have nitrated?
should we not have nitrated?
should you not have nitrated?
should they not have nitrated? 	should I not have been nitrating?
should you not have been nitrating?
should he not have been nitrating?
should we not have been nitrating?
should you not have been nitrating?
should they not have been nitrating?