can flag
Verbo regular: flag - flagged- flagged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can flag
you can flag
he can flag
we can flag
you can flag
they can flag 	I can be flagging
you can be flagging
he can be flagging
we can be flagging
you can be flagging
they can be flagging	I can have flagged
you can have flagged
he can have flagged
we can have flagged
you can have flagged
they can have flagged	I can have been flagging
you can have been flagging
he can have been flagging
we can have been flagging
you can have been flagging
they can have been flagging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot flag
you cannot flag
he cannot flag
we cannot flag
you cannot flag
they cannot flag 	I cannot be flagging
you cannot be flagging
he cannot be flagging
we cannot be flagging
you cannot be flagging
they cannot be flagging	I cannot have flagged
you cannot have flagged
he cannot have flagged
we cannot have flagged
you cannot have flagged
they cannot have flagged	I cannot have been flagging
you cannot have been flagging
he cannot have been flagging
we cannot have been flagging
you cannot have been flagging
they cannot have been flagging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I flag?
can you flag?
can he flag?
can we flag?
can you flag?
can they flag? 	can I be flagging?
can you be flagging?
can he be flagging?
can we be flagging?
can you be flagging?
can they be flagging? 	can I have flagged?
can you have flagged?
can he have flagged?
can we have flagged?
can you have flagged?
can they have flagged? 	can I have been flagging?
can you have been flagging?
can he have been flagging?
can we have been flagging?
can you have been flagging?
can they have been flagging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not flag?
can you not flag?
can he not flag?
can we not flag?
can you not flag?
can they not flag? 	can I not be flagging?
can you not be flagging?
can he not be flagging?
can we not be flagging?
can you not be flagging?
can they not be flagging? 	can I not have flagged?
can you not have flagged?
can he not have flagged?
can we not have flagged?
can you not have flagged?
can they not have flagged? 	can I not have been flagging?
can you not have been flagging?
can he not have been flagging?
can we not have been flagging?
can you not have been flagging?
can they not have been flagging?