Datapoint Hong Kong English/Levelling of the difference between present perfect and simple past: present perfect for StE simple past

Variety: Hong Kong English
Feature: Levelling of the difference between present perfect and simple past: present perfect for StE simple past
Value: A - feature is pervasive or obligatory
Informants: May L-Y Wong

Examples

Example 285:
I have learned to play piano a few years ago but now I forget.