Considering the semantic role of the adverbial clauses in “A...

Considering the semantic role of the adverbial clauses in “As General English becomes something done when you're young, teenagers and young adults will be seeking more specific needs and knowledge areas.” (L. 17,18) and “As developing economies and growing populations create more demand for English, the global classroom is getting ever fuller.” (L. 22,23), the respective meanings of as are