✔ 最佳答案
present perfect tense 係講由之前到而家都仲進行緊既野 呢個係用have+pp
past perfect tense 係講d野由之前 做到一個時間已經停左 無繼續 呢個係用had+pp
e.g.present perfect tense : I have gone to school by foot.我行路番學.我之前到而家都係行路番學,而之後都會繼續行路.
past perfect tense : I had finished my homework.我已經完成我既功課.