can quiver
Verbo regolare: quiver - quivered- quivered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can quiver
you can quiver
he can quiver
we can quiver
you can quiver
they can quiver 	I can be quivering
you can be quivering
he can be quivering
we can be quivering
you can be quivering
they can be quivering	I can have quivered
you can have quivered
he can have quivered
we can have quivered
you can have quivered
they can have quivered	I can have been quivering
you can have been quivering
he can have been quivering
we can have been quivering
you can have been quivering
they can have been quivering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can't quiver
you can't quiver
he can't quiver
we can't quiver
you can't quiver
they can't quiver 	I can't be quivering
you can't be quivering
he can't be quivering
we can't be quivering
you can't be quivering
they can't be quivering	I can't have quivered
you can't have quivered
he can't have quivered
we can't have quivered
you can't have quivered
they can't have quivered	I can't have been quivering
you can't have been quivering
he can't have been quivering
we can't have been quivering
you can't have been quivering
they can't have been quivering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I quiver?
can you quiver?
can he quiver?
can we quiver?
can you quiver?
can they quiver? 	can I be quivering?
can you be quivering?
can he be quivering?
can we be quivering?
can you be quivering?
can they be quivering? 	can I have quivered?
can you have quivered?
can he have quivered?
can we have quivered?
can you have quivered?
can they have quivered? 	can I have been quivering?
can you have been quivering?
can he have been quivering?
can we have been quivering?
can you have been quivering?
can they have been quivering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can't I quiver?
can't you quiver?
can't he quiver?
can't we quiver?
can't you quiver?
can't they quiver? 	can't I be quivering?
can't you be quivering?
can't he be quivering?
can't we be quivering?
can't you be quivering?
can't they be quivering? 	can't I have quivered?
can't you have quivered?
can't he have quivered?
can't we have quivered?
can't you have quivered?
can't they have quivered? 	can't I have been quivering?
can't you have been quivering?
can't he have been quivering?
can't we have been quivering?
can't you have been quivering?
can't they have been quivering?