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 3076 views around the world You can reuse this answer Creative Commons License