could talc
Verbo regular: talc - talced- talced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could talc
you could talc
he could talc
we could talc
you could talc
they could talc 	I could be talcing
you could be talcing
he could be talcing
we could be talcing
you could be talcing
they could be talcing	I could have talced
you could have talced
he could have talced
we could have talced
you could have talced
they could have talced	I could have been talcing
you could have been talcing
he could have been talcing
we could have been talcing
you could have been talcing
they could have been talcing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't talc
you couldn't talc
he couldn't talc
we couldn't talc
you couldn't talc
they couldn't talc 	I couldn't be talcing
you couldn't be talcing
he couldn't be talcing
we couldn't be talcing
you couldn't be talcing
they couldn't be talcing	I couldn't have talced
you couldn't have talced
he couldn't have talced
we couldn't have talced
you couldn't have talced
they couldn't have talced	I couldn't have been talcing
you couldn't have been talcing
he couldn't have been talcing
we couldn't have been talcing
you couldn't have been talcing
they couldn't have been talcing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I talc?
could you talc?
could he talc?
could we talc?
could you talc?
could they talc? 	could I be talcing?
could you be talcing?
could he be talcing?
could we be talcing?
could you be talcing?
could they be talcing? 	could I have talced?
could you have talced?
could he have talced?
could we have talced?
could you have talced?
could they have talced? 	could I have been talcing?
could you have been talcing?
could he have been talcing?
could we have been talcing?
could you have been talcing?
could they have been talcing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I talc?
couldn't you talc?
couldn't he talc?
couldn't we talc?
couldn't you talc?
couldn't they talc? 	couldn't I be talcing?
couldn't you be talcing?
couldn't he be talcing?
couldn't we be talcing?
couldn't you be talcing?
couldn't they be talcing? 	couldn't I have talced?
couldn't you have talced?
couldn't he have talced?
couldn't we have talced?
couldn't you have talced?
couldn't they have talced? 	couldn't I have been talcing?
couldn't you have been talcing?
couldn't he have been talcing?
couldn't we have been talcing?
couldn't you have been talcing?
couldn't they have been talcing?