誰かに何かをするよう促す

(  )に入る単語は?

彼の母親は彼に父親を殺すよう促した。
His mother ( 1 ) him up ( 2 ) killing his farther.

ヒント
2は前置詞

答え

1 put
2 to

His mother put him up to killing his farther.

put someone up to something
誰かに何かをするよう促す