How do i check to see when my refund is supposed to come back?

[Veronicakabi]

You can use the irs.gov/ where’s my refund that’s how you would track it

[MichelleLO]

You can track the status of your return on the IRS Where's My Refund? site. That is where you will find the most up-to-date information regarding the status of your tax return and a specific date of when to expect your refund.
Per the IRS, most refunds are received within 21 days from the time a return has been accepted and a refund option is selected. 
For additional information, please see the TurboTax FAQ When will I get my IRS refund?
To track the progress of your state tax return, see the TurboTax FAQ How do I track my state refund?
Please note, if you claimed the Earned Income Tax Credit (EITC) or the Additional Child Tax Credit (ACTC) there will be a delay in processing your tax return.
Please see the TurboTax FAQ: Some 2019 federal refunds are delayed due to the PATH Act for more information.