Rental Property - Repair tax deduction from previous year.

In July 2019, I purchased a rental property. I made repairs to it and also did made some improvements. 

On March 2020, the rental property was put on the market and was ready to be rented. When I filed my taxes for 2019, I did not include any rental property tax deduction repairs or depreciations. Reason being, I was told and also read on the IRS website, that since my rental property was available to rent in the year 2019, that I couldn't start getting tax deductions or depreciation. 

 

My questions.

Since I had repair cost for 2019 that I never deducted, can I still deduct them for the 2020 tax year?

Since I had improvement cost for 2019 that I never depreciated, can I still depreciate them for the 2020 tax year?