You know the words connected to crime, punishment and the Mock Trial and you can write a story about criminal behaviour with those words.
You know the word order in English.
You can write relatively complex sentences.
You can link sentences, paragraphs and ideas with linking words (but, and, so, therefore, however, although, despite, moreover, in addition, to conclude, etc.)
You can use the tenses, passive, and the First and Second Conditional in a text.
You know how to write a letter of opinion.