Ormal and Informal (Written and Spoken) English

You will write a short report pf approximately 500 words. The report will focus on the following categories:

1) Formal written English.
2) Formal Spoken English.
3) Informal written English.
4) Informal Spoken English.

In this report you will explain the main features of each of the four categories and give specific examples . Use you own examples dont copy from any where and the references should be from books only not from the internet. Use UK English Please.