concentration

[peter123]

Hi there,
Could you help with the following sentence?

Practising yoga can improve our (concentration / concentration power) which is useful in working and studying.

Thanks
Euguine

[shalstudent]

Practising yoga can improve our (concentration / concentration power) which is useful in working and studying.



-- Practising Yoga can improve our concentration,which is useful for working and in studying.

-- Practising Yoga can improve our power to concentrate, which is useful for working and in studying.

[peter123]

hi shalstudent

I am glad to read this thread. But I have a question too.
Why can't we use 'in working' and 'for' studying? What is the difference here


Practising Yoga can improve our concentration,which is useful for working and in studying.


Thanks
pete