Conjugación del verbo inglés
COULD NAB

Verbo regular: nab - nabbed - nabbed

Afirmación

Forma simple	Forma con V-ing
I could nab you could nab he could nab we could nab you could nab they could nab	I could be nabbing you could be nabbing he could be nabbing we could be nabbing you could be nabbing they could be nabbing
Perfecto	Perfecto con V-ing
I could have nabbed you could have nabbed he could have nabbed we could have nabbed you could have nabbed they could have nabbed	I could have been nabbing you could have been nabbing he could have been nabbing we could have been nabbing you could have been nabbing they could have been nabbing

Negación

Forma simple	Forma con V-ing
I couldn't nab you couldn't nab he couldn't nab we couldn't nab you couldn't nab they couldn't nab	I couldn't be nabbing you couldn't be nabbing he couldn't be nabbing we couldn't be nabbing you couldn't be nabbing they couldn't be nabbing
Perfecto	Perfecto con V-ing
I couldn't have nabbed you couldn't have nabbed he couldn't have nabbed we couldn't have nabbed you couldn't have nabbed they couldn't have nabbed	I couldn't have been nabbing you couldn't have been nabbing he couldn't have been nabbing we couldn't have been nabbing you couldn't have been nabbing they couldn't have been nabbing

Forma interrogativa

Forma simple	Forma con V-ing
could I nab? could you nab? could he nab? could we nab? could you nab? could they nab?	could I be nabbing? could you be nabbing? could he be nabbing? could we be nabbing? could you be nabbing? could they be nabbing?
Perfecto	Perfecto con V-ing
could I have nabbed? could you have nabbed? could he have nabbed? could we have nabbed? could you have nabbed? could they have nabbed?	could I have been nabbing? could you have been nabbing? could he have been nabbing? could we have been nabbing? could you have been nabbing? could they have been nabbing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I nab? couldn't you nab? couldn't he nab? couldn't we nab? couldn't you nab? couldn't they nab?	couldn't I be nabbing? couldn't you be nabbing? couldn't he be nabbing? couldn't we be nabbing? couldn't you be nabbing? couldn't they be nabbing?
Perfecto	Perfecto con V-ing
couldn't I have nabbed? couldn't you have nabbed? couldn't he have nabbed? couldn't we have nabbed? couldn't you have nabbed? couldn't they have nabbed?	couldn't I have been nabbing? couldn't you have been nabbing? couldn't he have been nabbing? couldn't we have been nabbing? couldn't you have been nabbing? couldn't they have been nabbing?