80080
I'm a totally newbie in learning Japanese and I'm struggling to understand
that sentence:

> おじいさんはないをやらせてもだめなんだもの。

I know おじいさん is "grandfather" and it seems like はない means "is not present",
but if so I don't understand the role of the particle を.

The following part is quite dark to me: maybe だもの could indicate a reason, but
I'm not sure about it.

Thank you.
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2020-08-11T13:10:57.393
80078
2020-08-11T14:17:35.133
2020-08-11T14:00:26.103
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question
meaning sentence
I need help to understand this sentence: おじいさんはないをやらせてもだめなんだもの
This ない is clearly a typo for なに.

> おじいさんは **なに** をやらせてもだめなんだもの。
>
>   * Grandpa is no-good whatever we have him to do.
>   * I can't get my grandpa to do anything!
>

  * **おじいさんは** : You got this part right. "as for Grandpa"
  * **なにをやらせても** : やらせる is the causative-form of やる, or "make/let him do". を simply marks the object of やる. "何/どこ/誰 + ても" is a grammar pattern that means "whatever" etc. See: [Meaning of volitional passive form](https://japanese.stackexchange.com/q/32949/5010) / [Maggie Sensei: Wh-ever/No matter wh/how: ても/でも ( = temo/demo)](http://maggiesensei.com/2016/10/12/wh-everno-matter-whhow-%E3%81%A6%E3%82%82%E3%81%A7%E3%82%82-temodemo/)
  * **だめなんだ** : だめ means "no good", "useless", etc.
  * **もの** : もの is a little old-fashioned sentence-end particle used to present a reason and convince someone. See: [〜ものだから 〜もの ～もん What are the differences?](https://japanese.stackexchange.com/q/5648/5010) / [JLPT N2 Grammar もの/もん](https://jlptsensei.com/learn-japanese-grammar/%E3%82%82%E3%81%AE-mono-%E3%82%82%E3%82%93-mon-meaning/)
CC BY-SA 4.0
2020-08-11T14:17:35.133
80080
2020-08-11T14:17:35.133
5010
80078
answer