can snigger
Verbo regular: snigger - sniggered- sniggered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can snigger
you can snigger
he can snigger
we can snigger
you can snigger
they can snigger 	I can be sniggering
you can be sniggering
he can be sniggering
we can be sniggering
you can be sniggering
they can be sniggering	I can have sniggered
you can have sniggered
he can have sniggered
we can have sniggered
you can have sniggered
they can have sniggered	I can have been sniggering
you can have been sniggering
he can have been sniggering
we can have been sniggering
you can have been sniggering
they can have been sniggering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot snigger
you cannot snigger
he cannot snigger
we cannot snigger
you cannot snigger
they cannot snigger 	I cannot be sniggering
you cannot be sniggering
he cannot be sniggering
we cannot be sniggering
you cannot be sniggering
they cannot be sniggering	I cannot have sniggered
you cannot have sniggered
he cannot have sniggered
we cannot have sniggered
you cannot have sniggered
they cannot have sniggered	I cannot have been sniggering
you cannot have been sniggering
he cannot have been sniggering
we cannot have been sniggering
you cannot have been sniggering
they cannot have been sniggering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I snigger?
can you snigger?
can he snigger?
can we snigger?
can you snigger?
can they snigger? 	can I be sniggering?
can you be sniggering?
can he be sniggering?
can we be sniggering?
can you be sniggering?
can they be sniggering? 	can I have sniggered?
can you have sniggered?
can he have sniggered?
can we have sniggered?
can you have sniggered?
can they have sniggered? 	can I have been sniggering?
can you have been sniggering?
can he have been sniggering?
can we have been sniggering?
can you have been sniggering?
can they have been sniggering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not snigger?
can you not snigger?
can he not snigger?
can we not snigger?
can you not snigger?
can they not snigger? 	can I not be sniggering?
can you not be sniggering?
can he not be sniggering?
can we not be sniggering?
can you not be sniggering?
can they not be sniggering? 	can I not have sniggered?
can you not have sniggered?
can he not have sniggered?
can we not have sniggered?
can you not have sniggered?
can they not have sniggered? 	can I not have been sniggering?
can you not have been sniggering?
can he not have been sniggering?
can we not have been sniggering?
can you not have been sniggering?
can they not have been sniggering?