can sniffle
Verbo regular: sniffle - sniffled- sniffled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can sniffle
you can sniffle
he can sniffle
we can sniffle
you can sniffle
they can sniffle 	I can be sniffling
you can be sniffling
he can be sniffling
we can be sniffling
you can be sniffling
they can be sniffling	I can have sniffled
you can have sniffled
he can have sniffled
we can have sniffled
you can have sniffled
they can have sniffled	I can have been sniffling
you can have been sniffling
he can have been sniffling
we can have been sniffling
you can have been sniffling
they can have been sniffling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot sniffle
you cannot sniffle
he cannot sniffle
we cannot sniffle
you cannot sniffle
they cannot sniffle 	I cannot be sniffling
you cannot be sniffling
he cannot be sniffling
we cannot be sniffling
you cannot be sniffling
they cannot be sniffling	I cannot have sniffled
you cannot have sniffled
he cannot have sniffled
we cannot have sniffled
you cannot have sniffled
they cannot have sniffled	I cannot have been sniffling
you cannot have been sniffling
he cannot have been sniffling
we cannot have been sniffling
you cannot have been sniffling
they cannot have been sniffling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I sniffle?
can you sniffle?
can he sniffle?
can we sniffle?
can you sniffle?
can they sniffle? 	can I be sniffling?
can you be sniffling?
can he be sniffling?
can we be sniffling?
can you be sniffling?
can they be sniffling? 	can I have sniffled?
can you have sniffled?
can he have sniffled?
can we have sniffled?
can you have sniffled?
can they have sniffled? 	can I have been sniffling?
can you have been sniffling?
can he have been sniffling?
can we have been sniffling?
can you have been sniffling?
can they have been sniffling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not sniffle?
can you not sniffle?
can he not sniffle?
can we not sniffle?
can you not sniffle?
can they not sniffle? 	can I not be sniffling?
can you not be sniffling?
can he not be sniffling?
can we not be sniffling?
can you not be sniffling?
can they not be sniffling? 	can I not have sniffled?
can you not have sniffled?
can he not have sniffled?
can we not have sniffled?
can you not have sniffled?
can they not have sniffled? 	can I not have been sniffling?
can you not have been sniffling?
can he not have been sniffling?
can we not have been sniffling?
can you not have been sniffling?
can they not have been sniffling?