How to say you needn't have bought that book. in Japanese
1)
きみはそno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question本本(hon) (n) book/volume/script/this/present/main/head/real/regular/counter for long cylindrical things/counter for films, tv shows, etc./counter for goals, home runs, etc.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,買no dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbわわ(wa) (prt) indicates emotion or admiration/adds a female middle aged feel at the end of a sentenceな(prt) connects adj to noun/indicates emotion or emphasis/command/prohibitionくてもよかったno dictionary result, likely a conjigated verbのにのに(noni) (prt) although/when/and yet/despite this/in spite of/even though/but even so/but even then/however/nevertheless/for all that/notwithstanding that/while/if only/i wish/i tell you/you should do/in order to。。(。) Japanese period "."
