Input for F.Y. 2019-20

Purchase bills reflecting in GSTR 2A but there input was not taken in the respective months. Annual return not filed yet. Can we take input now?
Bills pertain to F.Y. 2019-20.

Also, there are some purchase bills for which we have taken the input but they are not reflecting in GSTR 2A. Can we take the input of such bills?


Thanks & Regards