making question sentence by using "COULD" (as past ability)

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Stone age man could only sleep in the dark at night because there was no sunlight.

I think, "could" is used to express past ability, in above sentence.

 

Is it correct when I make question sentence from above sentence, like this:

What could stone age man do in the dark without sunlight, other than just sleeping?

question could asked Oct 23 '13 at 17:36 Eddy New member

1 answer


2

"sleeping" should be "sleep".

 

Sitting in the dark without sunlight, what could stone age man do?

He could sleep CORRECT

He could sleeping INCORRECCT

link comment answered Oct 24 '13 at 12:43 Paul Henderson Contributor

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