could stagger
Verbo regolare: stagger - staggered- staggered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could stagger
you could stagger
he could stagger
we could stagger
you could stagger
they could stagger 	I could be staggering
you could be staggering
he could be staggering
we could be staggering
you could be staggering
they could be staggering	I could have staggered
you could have staggered
he could have staggered
we could have staggered
you could have staggered
they could have staggered	I could have been staggering
you could have been staggering
he could have been staggering
we could have been staggering
you could have been staggering
they could have been staggering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't stagger
you couldn't stagger
he couldn't stagger
we couldn't stagger
you couldn't stagger
they couldn't stagger 	I couldn't be staggering
you couldn't be staggering
he couldn't be staggering
we couldn't be staggering
you couldn't be staggering
they couldn't be staggering	I couldn't have staggered
you couldn't have staggered
he couldn't have staggered
we couldn't have staggered
you couldn't have staggered
they couldn't have staggered	I couldn't have been staggering
you couldn't have been staggering
he couldn't have been staggering
we couldn't have been staggering
you couldn't have been staggering
they couldn't have been staggering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I stagger?
could you stagger?
could he stagger?
could we stagger?
could you stagger?
could they stagger? 	could I be staggering?
could you be staggering?
could he be staggering?
could we be staggering?
could you be staggering?
could they be staggering? 	could I have staggered?
could you have staggered?
could he have staggered?
could we have staggered?
could you have staggered?
could they have staggered? 	could I have been staggering?
could you have been staggering?
could he have been staggering?
could we have been staggering?
could you have been staggering?
could they have been staggering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I stagger?
couldn't you stagger?
couldn't he stagger?
couldn't we stagger?
couldn't you stagger?
couldn't they stagger? 	couldn't I be staggering?
couldn't you be staggering?
couldn't he be staggering?
couldn't we be staggering?
couldn't you be staggering?
couldn't they be staggering? 	couldn't I have staggered?
couldn't you have staggered?
couldn't he have staggered?
couldn't we have staggered?
couldn't you have staggered?
couldn't they have staggered? 	couldn't I have been staggering?
couldn't you have been staggering?
couldn't he have been staggering?
couldn't we have been staggering?
couldn't you have been staggering?
couldn't they have been staggering?