Whose in a defining clause.

[symaa]

Hello everybody,

I was discussing with my friend about the use of the relative pronoun in a defining clause. She told me that ''Whose'' is always used with commas whilst I think that using or not using the commas depends on the meaning that we want to convey as in:

The student whose composition I read writes well.
( Understanding and using English Grammar by Azar; third edition)


So, would you please tell me if we can use the relative pronoun ''Whose'' in defining relative clause too as in the below sentences?

His friend James, whose work takes him all over the world, is in London at the moment.

*** His friend James whose work takes him all over the world is in London at the moment. ( On the assumption that the speaker has many friends whose name are James)


Thank you in advance.

[5jj]

In that unlikely situation, your sentence is correct. Incidentally, Azar's sentence contains a rather more likely defining relative clause.

[symaa]

Thank you so much, teacher.

Best regards,