The prefix שֶׁ is very common in Mishnaic and Modern Hebrew, but in Tanakh appear rarely, except in Tehillim, Shir Hashirim, and Koheles, where it is all over the place. Why are these books the only ...
I noticed that in Yermiyahu 31:21, it says . עַד-מָתַי תִּתְחַמָּקִין, הַבַּת הַשּׁוֹבֵבָה: כִּי-בָרָא יְהוָה חֲדָשָׁה בָּאָרֶץ, נְקֵבָה תְּסוֹבֵב גָּבֶר. "...and Gd will create a new ...