Repeat several text boxes?

Could you please provide us more information on what you would like to accomplish? If you would just like to repeat the text boxes, you can simply copy or create duplicates of them.

You can create copy or create a duplicate of the field by right clicking on it and you'll see the "Duplicate" option:

Here's a guide on how you can manage multiple fields in your form: https://www.jotform.com/help/242-How-to-Manage-Multiple-Fields. You can see the function "Duplicate" there.

Let us know if I misunderstood your concern.