"the reader that" is a correct and usable phrase in written English.
It is often used to refer to a specific reader, or a particular type of reader. Example: The story captured the attention of the reader that was looking for a suspenseful thriller.
Exact(59)
The reader that receives the token illuminates the whole interrogation region, selecting the already identified tags.
It is the reader that brings them to life, to your life specifically.
We must remind the reader that these results are highly preliminary and that data collection is incomplete.
If it is too short, the reader that was interested in the comic would feel disappointed.
Meanwhile, does it convince the reader that flossing is worthwhile?
Slahi, too, insists to the reader that he's telling the truth.
"Qualifiers hint to the reader that you don't have faith in what you're saying.
White reassures the reader that the music business is full of warm people.
Alternately, you can try to persuade the reader that magic is perfectly reasonable.
The article attempts to convince the reader that President Trump poses a threat to America's democracy.
The protagonist's name is Eva; early on, the narrator informs the reader that Eva is black.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com