How to say it was careless of you to leave your bag. in Japanese
1)
鞄鞄(kaban) (n) bag/satchel/briefcase/basketをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,置きno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb忘れno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbるなんてno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb、、(、) Japanese comma君君(kun) (pn) you/buddy/pal/monarch/ruler/sovereign/masterもも(mo) (prt) also/too/words of similar weight/about/as much as/even/more/further/other/again不注意不注意(fuchuui) (adj-na,n) carelessness/inattention/thoughtlessnessだっただった(datta) wasねね(ne) (prt) indicates emphasis, agreement, request for confirmation, etc./is it so/hey/come on。。(。) Japanese period "."
