Question

he doesn't open the book change to passive

Answer 1

The book was not opened by him.
This statement may be the answer....

HOPE IT HELPED YOU.

Answer 2

$<font \: color = 'blue' >$

$\mathtt{hey \: mate \: here \: is \: ur \: ans}$
$\mathtt{in \: passive \: voice}$
$\mathtt{the \: book \: is \: not \: opened \: by \: him}$
$\mathtt{i \: hope \: that \: it \: will \: help \: u}$
$\huge{thanks \: for \: asking}$