Conjugación del verbo inglés
COULD LAST

Verbo regular: last - lasted - lasted

Afirmación

Forma simple	Forma con V-ing
I could last you could last she could last we could last you could last they could last	I could be lasting you could be lasting she could be lasting we could be lasting you could be lasting they could be lasting
Perfecto	Perfecto con V-ing
I could have lasted you could have lasted she could have lasted we could have lasted you could have lasted they could have lasted	I could have been lasting you could have been lasting she could have been lasting we could have been lasting you could have been lasting they could have been lasting

Negación

Forma simple	Forma con V-ing
I couldn't last you couldn't last she couldn't last we couldn't last you couldn't last they couldn't last	I couldn't be lasting you couldn't be lasting she couldn't be lasting we couldn't be lasting you couldn't be lasting they couldn't be lasting
Perfecto	Perfecto con V-ing
I couldn't have lasted you couldn't have lasted she couldn't have lasted we couldn't have lasted you couldn't have lasted they couldn't have lasted	I couldn't have been lasting you couldn't have been lasting she couldn't have been lasting we couldn't have been lasting you couldn't have been lasting they couldn't have been lasting

Forma interrogativa

Forma simple	Forma con V-ing
could I last? could you last? could she last? could we last? could you last? could they last?	could I be lasting? could you be lasting? could she be lasting? could we be lasting? could you be lasting? could they be lasting?
Perfecto	Perfecto con V-ing
could I have lasted? could you have lasted? could she have lasted? could we have lasted? could you have lasted? could they have lasted?	could I have been lasting? could you have been lasting? could she have been lasting? could we have been lasting? could you have been lasting? could they have been lasting?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I last? couldn't you last? couldn't she last? couldn't we last? couldn't you last? couldn't they last?	couldn't I be lasting? couldn't you be lasting? couldn't she be lasting? couldn't we be lasting? couldn't you be lasting? couldn't they be lasting?
Perfecto	Perfecto con V-ing
couldn't I have lasted? couldn't you have lasted? couldn't she have lasted? couldn't we have lasted? couldn't you have lasted? couldn't they have lasted?	couldn't I have been lasting? couldn't you have been lasting? couldn't she have been lasting? couldn't we have been lasting? couldn't you have been lasting? couldn't they have been lasting?