You may have several forms shared with you by other organisations. If you just want to look at the form, not use it, you can do that from the Shared Forms page.
From the top menu bar, select Products & Forms.
Under Shared Forms, go to the end of the line of the form you want to view. Click on the drop down arrow and select View Form.
The form will open for you to view. You will not be able to make any changes to it. If you need to use a form, see