Which sentence is correct?① The boy is swimming in the pool.② The boy swimming in the pool. The answer is ①.This looks easy, right? Most Japanese junior high school students choose the correct answer. But something strange happens. After they study English for a longer time, MORE students start to choose ②

次の2つはどちらが正しい英文でしょうか？ ① The boy is swimming. ② The boy swimming. 「そんなの簡単、①に決まってる!」その通り。でもこの「簡単な問題」に、多くの日本人が引っかかる瞬間があるんです。