When do we use "as" and when do we use "when"?

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi

[color=red]As still a boy of ten, he started to work to support himself.

[color=red]when still a boy of ten,he started to work to support himself.

Of the two sentences, which is correct or both are correct?

many thanks!

2

Hi danial2005,

To be honest I don’t like either of those sentences. I would prefer:

Even as a boy of ten, he started …

or

While stil a boy of ten, he …

Alan

3

Hi Alan

Thank you for your reply !

Best regards

Danial