should stagnate
Verbo regular: stagnate - stagnated- stagnated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should stagnate
you should stagnate
he should stagnate
we should stagnate
you should stagnate
they should stagnate 	I should be stagnating
you should be stagnating
he should be stagnating
we should be stagnating
you should be stagnating
they should be stagnating	I should have stagnated
you should have stagnated
he should have stagnated
we should have stagnated
you should have stagnated
they should have stagnated	I should have been stagnating
you should have been stagnating
he should have been stagnating
we should have been stagnating
you should have been stagnating
they should have been stagnating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not stagnate
you should not stagnate
he should not stagnate
we should not stagnate
you should not stagnate
they should not stagnate 	I should not be stagnating
you should not be stagnating
he should not be stagnating
we should not be stagnating
you should not be stagnating
they should not be stagnating	I should not have stagnated
you should not have stagnated
he should not have stagnated
we should not have stagnated
you should not have stagnated
they should not have stagnated	I should not have been stagnating
you should not have been stagnating
he should not have been stagnating
we should not have been stagnating
you should not have been stagnating
they should not have been stagnating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I stagnate?
should you stagnate?
should he stagnate?
should we stagnate?
should you stagnate?
should they stagnate? 	should I be stagnating?
should you be stagnating?
should he be stagnating?
should we be stagnating?
should you be stagnating?
should they be stagnating? 	should I have stagnated?
should you have stagnated?
should he have stagnated?
should we have stagnated?
should you have stagnated?
should they have stagnated? 	should I have been stagnating?
should you have been stagnating?
should he have been stagnating?
should we have been stagnating?
should you have been stagnating?
should they have been stagnating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not stagnate?
should you not stagnate?
should he not stagnate?
should we not stagnate?
should you not stagnate?
should they not stagnate? 	should I not be stagnating?
should you not be stagnating?
should he not be stagnating?
should we not be stagnating?
should you not be stagnating?
should they not be stagnating? 	should I not have stagnated?
should you not have stagnated?
should he not have stagnated?
should we not have stagnated?
should you not have stagnated?
should they not have stagnated? 	should I not have been stagnating?
should you not have been stagnating?
should he not have been stagnating?
should we not have been stagnating?
should you not have been stagnating?
should they not have been stagnating?