As if with 〜んばかり
〜んばかり has a meaning of “at any moment, seems will do (verb)”.
Follows the ない stem of a verb. In the case of する, it becomes せん.
English counterparts are “as if” and “as though”.
Further reading
- 〜んばかり|日本語能力試験 JLPT N1 (edewakaru.com)
Examples
ふらいんぐうぃっち » Volume 1 » Page 78