could borrow
Verbo regular: borrow - borrowed- borrowed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could borrow
you could borrow
he could borrow
we could borrow
you could borrow
they could borrow 	I could be borrowing
you could be borrowing
he could be borrowing
we could be borrowing
you could be borrowing
they could be borrowing	I could have borrowed
you could have borrowed
he could have borrowed
we could have borrowed
you could have borrowed
they could have borrowed	I could have been borrowing
you could have been borrowing
he could have been borrowing
we could have been borrowing
you could have been borrowing
they could have been borrowing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't borrow
you couldn't borrow
he couldn't borrow
we couldn't borrow
you couldn't borrow
they couldn't borrow 	I couldn't be borrowing
you couldn't be borrowing
he couldn't be borrowing
we couldn't be borrowing
you couldn't be borrowing
they couldn't be borrowing	I couldn't have borrowed
you couldn't have borrowed
he couldn't have borrowed
we couldn't have borrowed
you couldn't have borrowed
they couldn't have borrowed	I couldn't have been borrowing
you couldn't have been borrowing
he couldn't have been borrowing
we couldn't have been borrowing
you couldn't have been borrowing
they couldn't have been borrowing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I borrow?
could you borrow?
could he borrow?
could we borrow?
could you borrow?
could they borrow? 	could I be borrowing?
could you be borrowing?
could he be borrowing?
could we be borrowing?
could you be borrowing?
could they be borrowing? 	could I have borrowed?
could you have borrowed?
could he have borrowed?
could we have borrowed?
could you have borrowed?
could they have borrowed? 	could I have been borrowing?
could you have been borrowing?
could he have been borrowing?
could we have been borrowing?
could you have been borrowing?
could they have been borrowing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I borrow?
couldn't you borrow?
couldn't he borrow?
couldn't we borrow?
couldn't you borrow?
couldn't they borrow? 	couldn't I be borrowing?
couldn't you be borrowing?
couldn't he be borrowing?
couldn't we be borrowing?
couldn't you be borrowing?
couldn't they be borrowing? 	couldn't I have borrowed?
couldn't you have borrowed?
couldn't he have borrowed?
couldn't we have borrowed?
couldn't you have borrowed?
couldn't they have borrowed? 	couldn't I have been borrowing?
couldn't you have been borrowing?
couldn't he have been borrowing?
couldn't we have been borrowing?
couldn't you have been borrowing?
couldn't they have been borrowing?