The teacher is telling her student a story now 用EVERY WEEK改写

The teacher tells her student a story every week

用every week 的话，原句的现在进行时要改成一般现在时

The teacher tells her studeny a story every week.

The teacher tells her student a story every week.
or
The teacher tell her student a story every week.

都可以。

The teacher telles her students a story every.主要考察的是现在进行时转换一般现在时，时态的转换。