(1) Rosa sent her son away to a foreign school because his delinquent behavior threatened to undermine her fame as a singer.
(2) Rosa sent her son away to a foreign school because his delinquent behavior was threatening to undermine her fame as a singer.
Question: Which is correct?
Both are correct.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.