Yes, you will need to file Form 709. You don't actually owe gift tax until you give more than your lifetime exclusion. Form 709 is not an income tax form, and Turbotax does not support that form.
You can find the Form and the instructions for it at this link:
https://apps.irs.gov/app/picklist/list/formsPublications.html;jsessionid=o8NDP8p-NLyq-rlJEiNJ1A__?va...
