Answer:
A letter to your grandfather informing him on your intention to spend the holiday with him .telling him the interesting places I wish to visit with him is written below in detail.
Step-by-step explanation:
Dear grandfather,
how are you doing? hope you are doing good and very well.
and what about your work? hope it's also going good.
actually, I desire to inform you that my summer vacations are conforming to commence.
so I want to spend time with you.
hope you will not say no.
I am presuming only yes from you and my mum too.
so please finish your all activities and soon I come there.
even I want to travel to new places and do something adventuresome with you.
so please finish your all works and I soon come there.
your grandson
xyz