In any year, any module, you can go to forms view > click the Show all box > find the line or box you want input for > Right click on that line or box > Select "Jump to Input"
If you don't get a page 2 for the return you are trying to complete, it may be due to the type of return, e.g. a simple trust distributes all income, so Schedule B is not needed for the type of income reported.
Another option - Detail View > Ctrl + F to Find input for > try DNI and you will get some hits that affect Schedule B.
Add a comment below as to what line of Sch B you would expect.