Conjugación del verbo inglés
COULD TIE

Verbo regular: tie - tied - tied

Afirmación

Forma simple	Forma con V-ing
I could tie you could tie he could tie we could tie you could tie they could tie	I could be tying you could be tying he could be tying we could be tying you could be tying they could be tying
Perfecto	Perfecto con V-ing
I could have tied you could have tied he could have tied we could have tied you could have tied they could have tied	I could have been tying you could have been tying he could have been tying we could have been tying you could have been tying they could have been tying

Negación

Forma simple	Forma con V-ing
I could not tie you could not tie he could not tie we could not tie you could not tie they could not tie	I could not be tying you could not be tying he could not be tying we could not be tying you could not be tying they could not be tying
Perfecto	Perfecto con V-ing
I could not have tied you could not have tied he could not have tied we could not have tied you could not have tied they could not have tied	I could not have been tying you could not have been tying he could not have been tying we could not have been tying you could not have been tying they could not have been tying

Forma interrogativa

Forma simple	Forma con V-ing
could I tie? could you tie? could he tie? could we tie? could you tie? could they tie?	could I be tying? could you be tying? could he be tying? could we be tying? could you be tying? could they be tying?
Perfecto	Perfecto con V-ing
could I have tied? could you have tied? could he have tied? could we have tied? could you have tied? could they have tied?	could I have been tying? could you have been tying? could he have been tying? could we have been tying? could you have been tying? could they have been tying?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not tie? could you not tie? could he not tie? could we not tie? could you not tie? could they not tie?	could I not be tying? could you not be tying? could he not be tying? could we not be tying? could you not be tying? could they not be tying?
Perfecto	Perfecto con V-ing
could I not have tied? could you not have tied? could he not have tied? could we not have tied? could you not have tied? could they not have tied?	could I not have been tying? could you not have been tying? could he not have been tying? could we not have been tying? could you not have been tying? could they not have been tying?