could bond
Verbo regular: bond - bonded- bonded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could bond
you could bond
he could bond
we could bond
you could bond
they could bond 	I could be bonding
you could be bonding
he could be bonding
we could be bonding
you could be bonding
they could be bonding	I could have bonded
you could have bonded
he could have bonded
we could have bonded
you could have bonded
they could have bonded	I could have been bonding
you could have been bonding
he could have been bonding
we could have been bonding
you could have been bonding
they could have been bonding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't bond
you couldn't bond
he couldn't bond
we couldn't bond
you couldn't bond
they couldn't bond 	I couldn't be bonding
you couldn't be bonding
he couldn't be bonding
we couldn't be bonding
you couldn't be bonding
they couldn't be bonding	I couldn't have bonded
you couldn't have bonded
he couldn't have bonded
we couldn't have bonded
you couldn't have bonded
they couldn't have bonded	I couldn't have been bonding
you couldn't have been bonding
he couldn't have been bonding
we couldn't have been bonding
you couldn't have been bonding
they couldn't have been bonding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I bond?
could you bond?
could he bond?
could we bond?
could you bond?
could they bond? 	could I be bonding?
could you be bonding?
could he be bonding?
could we be bonding?
could you be bonding?
could they be bonding? 	could I have bonded?
could you have bonded?
could he have bonded?
could we have bonded?
could you have bonded?
could they have bonded? 	could I have been bonding?
could you have been bonding?
could he have been bonding?
could we have been bonding?
could you have been bonding?
could they have been bonding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I bond?
couldn't you bond?
couldn't he bond?
couldn't we bond?
couldn't you bond?
couldn't they bond? 	couldn't I be bonding?
couldn't you be bonding?
couldn't he be bonding?
couldn't we be bonding?
couldn't you be bonding?
couldn't they be bonding? 	couldn't I have bonded?
couldn't you have bonded?
couldn't he have bonded?
couldn't we have bonded?
couldn't you have bonded?
couldn't they have bonded? 	couldn't I have been bonding?
couldn't you have been bonding?
couldn't he have been bonding?
couldn't we have been bonding?
couldn't you have been bonding?
couldn't they have been bonding?