How do you change the following sentence to the past tense?: He will have written the book by then. English Grammar Tenses Present 1 Answer CountryGirl Mar 20, 2018 See below: Explanation: Past tense means that it has already happened. So let's change the sentence to be something that has already occurred. "He will have written the book by then." rarr happening in the future "He has written the book by now." rarr already happened Answer link Related questions Do the English have subjunctive mood? What is the difference between a mood and a tense? How do you change the following sentence to the present tense?: The cat walked through the doorway. How do you change the following sentence to the present tense?: The runners will be at the track. How do you change the following sentence to the present tense?: The wind blew East. How do you change the following sentence to the past tense?: The train is reaching its destination. How do you change the following sentence to the past tense?: The paint is drying. How do you change the following sentence to the past tense?: The sun will rise. How do you change the following sentence to the future tense?: The lake is frozen. How do you change the following sentence to the future tense?: The dogs are barking at the mailman. See all questions in Present Impact of this question 3644 views around the world You can reuse this answer Creative Commons License