Read the whole text slowly. It will give the students a chance to get acquainted with it and prepare for writing.
Read the text again, this time sentence by sentence. Break the sentences into phrases, so that your students can write them more easily. It will also teach them about the meaningful blocks of information in the sentence and about how to read them. Be sure to say "comma", "full stop" or "exclamation point," where necessary. It gives your students a chance to learn more about punctuation. Pause after each phrase to give the students enough time to write.
Allow the students to review the passage and to correct mistakes. It is very important, as often students think they have heard one thing but their knowledge of grammar can tell them you must have said something else.
Read the passage again.
Write the text on the board and allow the students to correct their mistakes and fill in possible gaps in the text. Try to get the students to understand what the mistakes are without giving them proper answers; then, discuss the mistakes with the whole class. Discuss the usage of tenses and punctuation in the text or any other grammar aspect you consider important for this lesson.
You can also ask the students to rewrite the text by changing the verb tenses, subjects or something else.