I don't remember in this moment the exact denomination of the rule I am going to speaking of so I'm going to consider an example sentence.
My questions are as follows:
a)What does the rule says?
b)Is the "'s" always mandatory?
c)What's the rule denomination?
Thanks for your answers. Bye bye.
Signup to our newsletter "English in your Inbox" to receive your monthly fix of English by email. The newsletter includes useful lessons, competitions and book reviews.
I don't remember in this moment the exact denomination of the rule I am going to speaking of so I'm going to consider an example sentence.
My questions are as follows:
a)What does the rule says?
b)Is the "'s" always mandatory?
c)What's the rule denomination?
Thanks for your answers. Bye bye.