YOU SAID:
A bomb has been planted
INTO JAPANESE
爆弾が仕掛けられました
BACK INTO ENGLISH
a bomb was planted
INTO JAPANESE
爆弾が仕掛けられた
BACK INTO ENGLISH
bomb was planted
INTO JAPANESE
爆弾が仕掛けられた
BACK INTO ENGLISH
a bomb was planted
INTO JAPANESE
爆弾が仕掛けられた
BACK INTO ENGLISH
a bomb was planted
You've done this before, haven't you.