Transfer a form to a different account?

I have some forms I created in a second account. Can I clone them to my paid account? 

marketingsquared >> xlnetworks?

Yes you can clone them. Inside of this guide you can find how to clone an existing form from a URL:

How to Clone an Existing Form from a URL

We can also move the forms to your paid account. Provide us ID's of the forms and we will move them for you. 

You can also add your free account as sub account user of your paid account and move them yourself. For more details, please check this guide:

How to transfer or share forms and data with another account

Hope this will help. Let us know if you need further assistance.