should flag
Verbo regular: flag - flagged- flagged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should flag
you should flag
he should flag
we should flag
you should flag
they should flag 	I should be flagging
you should be flagging
he should be flagging
we should be flagging
you should be flagging
they should be flagging	I should have flagged
you should have flagged
he should have flagged
we should have flagged
you should have flagged
they should have flagged	I should have been flagging
you should have been flagging
he should have been flagging
we should have been flagging
you should have been flagging
they should have been flagging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not flag
you should not flag
he should not flag
we should not flag
you should not flag
they should not flag 	I should not be flagging
you should not be flagging
he should not be flagging
we should not be flagging
you should not be flagging
they should not be flagging	I should not have flagged
you should not have flagged
he should not have flagged
we should not have flagged
you should not have flagged
they should not have flagged	I should not have been flagging
you should not have been flagging
he should not have been flagging
we should not have been flagging
you should not have been flagging
they should not have been flagging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I flag?
should you flag?
should he flag?
should we flag?
should you flag?
should they flag? 	should I be flagging?
should you be flagging?
should he be flagging?
should we be flagging?
should you be flagging?
should they be flagging? 	should I have flagged?
should you have flagged?
should he have flagged?
should we have flagged?
should you have flagged?
should they have flagged? 	should I have been flagging?
should you have been flagging?
should he have been flagging?
should we have been flagging?
should you have been flagging?
should they have been flagging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not flag?
should you not flag?
should he not flag?
should we not flag?
should you not flag?
should they not flag? 	should I not be flagging?
should you not be flagging?
should he not be flagging?
should we not be flagging?
should you not be flagging?
should they not be flagging? 	should I not have flagged?
should you not have flagged?
should he not have flagged?
should we not have flagged?
should you not have flagged?
should they not have flagged? 	should I not have been flagging?
should you not have been flagging?
should he not have been flagging?
should we not have been flagging?
should you not have been flagging?
should they not have been flagging?