有Past Tense 既問題一問

Playground宜家喺唔喺度都要用past tense,
因為過去式係表示個動作(play)係過咗去, 同個playground無關係.

所以 I played in ABC Playground last month. 係無問題嘅.

2015-04-05 21:45:42 補充：
另外一提,
如果你繼續形容個playground, 例如It had a seesaw, 但個playground宜家仲有seesaw,
呢個情況都要用past tense.

當講過去嘅野時, 你只需要用過去式, 唔洗諗宜家仲存唔存在.

no problem
you played at last month so it must be past tense.