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× 帰宅すれば、必ずお風呂に入りなさい。Why is this incorrect? Is it because it is non-volitional?
takes out the decision aspect?
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2017-11-09T14:01:45.480
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2017-11-10T18:32:51.013
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question
conditionals
帰宅すれば、必ずお風呂に入りなさい。'When you get home, be absolutely sure to take a bath' Why is this an incorrect usage of ~Ba?
> When you get home, be absolutely sure to take a bath.  
>  A : 帰宅 **すれば** 、必ずお風呂に入りなさい。  
>  B : 帰宅し **たら** 、必ずお風呂に入りなさい。

Jisho.org defines them as:

> ### すれば
>
> Expression  
>  1. if so; in that case; in that situation​

and

> ### たら
>
> Conjunction, Particle  
>  1. indicates supposition; if ... then; when; after​  
>  あ、とりあえず包帯{ほうたい}しているけど、もし煩｛わずら｝わしかっ **たら**
> 、家｛うち｝に帰｛かえ｝ってからカットバンに代｛か｝えても大丈夫｛だいじょうぶ｝よ。  
>  Ah, well I've bandaged it for the meantime but if that's awkward then it's
> fine to replace it with a plaster **when** you get home.
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2017-11-09T14:19:10.750
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2017-11-10T03:55:02.387
2017-11-10T03:55:02.387
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answer
ば only works as action and consequence. A common example given is "if you drop
a ball, it will fall". You can't put a command, volition, etc, after ば, but
rather a sequence of events; the result (ball falling) after the action
(dropping the ball). And ば doesn't have a meaning of "when" either, and even
translating as "if" would not make for natural English either at times. Like
この通りを行けば病院につく. Again, action and consequence; go down this path and you will
arrive at the hospital.
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2017-11-10T18:32:51.013
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