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Girls who are wishing to meet the principal must wait for sometime.

Girls wishing to meet the principal must wait for sometime.

Girls who wish to meet the principal must wait for sometime.

Girls who want to meet the principal must wait for sometime.

Are all the above sentences have the same meaning?
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Yes, and they are all grammatically incorrect. Try this:

Girls wishing to meet the principal must wait for some time.
Comments  
Apart from 'some time' error rest everything is fien? and can I use ny of the above sentence or only recommended by you