# How do you change the following sentence to the past tense?: He will have written the book by then.

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.

$\text{He will have written the book by then.} \rightarrow$ happening in the future

$\text{He has written the book by now.} \rightarrow$ already happened