It keeps on grading the Hebrew word for drinks incorrectly, however, it is spelled correctly. One cannot add the nikudot when typing in Hebrew!
Yes, one can add the nikudot: שׁוֹתָּה, שׁוֹתֶּה.
One can go to the Google Play store and download the MultiLing app: https://play.google.com/store/apps/details?id=kl.ime.oh
However, one shouldn't have to use pointing in Modern Hebrew, or should they?
What is the difference between זה and זאת? Sometimes it matters which you use and sometimes it doesn't.