I clicked form, it shows 8879, 1040-V, 1040, Sch C, 8995, 8867, 8959, 8960,8585, Statements, Worksheets, 1040-ES, there is no schedule 1.

there was "3. business income, Attach Schedule C" on schedule 1 for year 2019, I guess I can enter 1099 income there