can stagger
Verbo regular: stagger - staggered- staggered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can stagger
you can stagger
he can stagger
we can stagger
you can stagger
they can stagger 	I can be staggering
you can be staggering
he can be staggering
we can be staggering
you can be staggering
they can be staggering	I can have staggered
you can have staggered
he can have staggered
we can have staggered
you can have staggered
they can have staggered	I can have been staggering
you can have been staggering
he can have been staggering
we can have been staggering
you can have been staggering
they can have been staggering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot stagger
you cannot stagger
he cannot stagger
we cannot stagger
you cannot stagger
they cannot stagger 	I cannot be staggering
you cannot be staggering
he cannot be staggering
we cannot be staggering
you cannot be staggering
they cannot be staggering	I cannot have staggered
you cannot have staggered
he cannot have staggered
we cannot have staggered
you cannot have staggered
they cannot have staggered	I cannot have been staggering
you cannot have been staggering
he cannot have been staggering
we cannot have been staggering
you cannot have been staggering
they cannot have been staggering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I stagger?
can you stagger?
can he stagger?
can we stagger?
can you stagger?
can they stagger? 	can I be staggering?
can you be staggering?
can he be staggering?
can we be staggering?
can you be staggering?
can they be staggering? 	can I have staggered?
can you have staggered?
can he have staggered?
can we have staggered?
can you have staggered?
can they have staggered? 	can I have been staggering?
can you have been staggering?
can he have been staggering?
can we have been staggering?
can you have been staggering?
can they have been staggering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not stagger?
can you not stagger?
can he not stagger?
can we not stagger?
can you not stagger?
can they not stagger? 	can I not be staggering?
can you not be staggering?
can he not be staggering?
can we not be staggering?
can you not be staggering?
can they not be staggering? 	can I not have staggered?
can you not have staggered?
can he not have staggered?
can we not have staggered?
can you not have staggered?
can they not have staggered? 	can I not have been staggering?
can you not have been staggering?
can he not have been staggering?
can we not have been staggering?
can you not have been staggering?
can they not have been staggering?