Purchase Order SAP abap statement

Hi ABAP Expert,

Need your help to solve my issue;

If i what to get the detail on the PO number , i can get from table EKPO

get EKPO-EBELN from EKPO

how do i use sap statement to get the detail below

1. PO with GR and Invoice

2. PO with GR without Invoice

3. PO without GR and Invoice