If you're going to do your PhD in English, you also need to show that you can write following the rules of written English:
- Start every sentence with a capital letter.
- End every sentence with a single punctuation mark.
- Always capitalise the word "I".
- Do not put a space before a full stop, comma, question mark or exclamation mark.
- Always put a space after a full stop, comma, question mark or exclamation mark.