Conjugación del verbo inglés
COULD REPLY

Verbo regular: reply - replied - replied

Afirmación

Forma simple	Forma con V-ing
I could reply you could reply he could reply we could reply you could reply they could reply	I could be replying you could be replying he could be replying we could be replying you could be replying they could be replying
Perfecto	Perfecto con V-ing
I could have replied you could have replied he could have replied we could have replied you could have replied they could have replied	I could have been replying you could have been replying he could have been replying we could have been replying you could have been replying they could have been replying

Negación

Forma simple	Forma con V-ing
I couldn't reply you couldn't reply he couldn't reply we couldn't reply you couldn't reply they couldn't reply	I couldn't be replying you couldn't be replying he couldn't be replying we couldn't be replying you couldn't be replying they couldn't be replying
Perfecto	Perfecto con V-ing
I couldn't have replied you couldn't have replied he couldn't have replied we couldn't have replied you couldn't have replied they couldn't have replied	I couldn't have been replying you couldn't have been replying he couldn't have been replying we couldn't have been replying you couldn't have been replying they couldn't have been replying

Forma interrogativa

Forma simple	Forma con V-ing
could I reply? could you reply? could he reply? could we reply? could you reply? could they reply?	could I be replying? could you be replying? could he be replying? could we be replying? could you be replying? could they be replying?
Perfecto	Perfecto con V-ing
could I have replied? could you have replied? could he have replied? could we have replied? could you have replied? could they have replied?	could I have been replying? could you have been replying? could he have been replying? could we have been replying? could you have been replying? could they have been replying?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I reply? couldn't you reply? couldn't he reply? couldn't we reply? couldn't you reply? couldn't they reply?	couldn't I be replying? couldn't you be replying? couldn't he be replying? couldn't we be replying? couldn't you be replying? couldn't they be replying?
Perfecto	Perfecto con V-ing
couldn't I have replied? couldn't you have replied? couldn't he have replied? couldn't we have replied? couldn't you have replied? couldn't they have replied?	couldn't I have been replying? couldn't you have been replying? couldn't he have been replying? couldn't we have been replying? couldn't you have been replying? couldn't they have been replying?