you can use "had", seeing does not decide the tense. You can say

本帖於 2016-10-23 16:23:21 時間, 由普通用戶 Flyingstraw 編輯
回答: 請教, 謝謝!(加一個問題)虔謙2016-10-23 16:17:03

"Seeing you are happy, " or "seeing you were sad".

所有跟帖: 

好的,謝謝 Flyingstraw!原帖又加了一個問題:) -虔謙- 給 虔謙 發送悄悄話 虔謙 的博客首頁 (0 bytes) () 10/23/2016 postreply 16:33:54

you can use: -Flyingstraw- 給 Flyingstraw 發送悄悄話 Flyingstraw 的博客首頁 (137 bytes) () 10/23/2016 postreply 16:46:12

Okay, got it. Thank you again! -虔謙- 給 虔謙 發送悄悄話 虔謙 的博客首頁 (0 bytes) () 10/23/2016 postreply 16:55:39

請您先登陸,再發跟帖!