[請益] 兩則句子的文法求解

[PTTHappy (no)]

https://www.youtube.com/watch?v=-k1RUykvzfA
0:45

1.I would've liked to have seen that.

我不清楚文法上在一個句子中能同時寫出兩個現在完成式？因為我以往可能會寫：

I would've liked to see that.

若是寫 have liked to have seen...我是能猜測說話者想表達「已經」看到的意思，
但是感到疑惑：一來這麼寫的意思稍嫌彆扭，
二來文法上可以在前方已經是完成式的情況下再後接一個完成式嗎？

https://is.gd/AobECT

Reddit上一般人說的句子。

2.Yet others like the Daily Mail reported the $20bn/day figure as is.

我不清楚在這類情況下，文法上as怎麼合文法地使用？以及as is的意思。

因為我大概只知道as兩大用法：a.當介詞「做為什麼什麼」；b.當連接詞「當什麼什麼時
候」。所以看到上句的as is，不知怎麼翻譯？以及怎麼讓自己正確使用在類似句子？

感謝說明～

ps.多確認一句：下述given that就當作連接詞「假設（如何如何）」來理解就對了？

3.Given that the Russian Central bank ahad several hundred billion of assets
frozens the economic cost would seem to be an order of magnitude higher.

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※ 編輯: PTTHappy (101.136.100.18 臺灣), 03/02/2022 06:30:06
→ dunchee: 1.    tinyurl.com/4mahebr2
→ dunchee:   特別是usingenglish.com那個 -> #4 5jj
→ dunchee: 2. https://www.britannica.com/dictionary/as
→ dunchee: 找 as is chiefly US  : in the ....
→ dunchee: (reddit那個是借用這用法)
→ dunchee: 3. https://www.ldoceonline.com/dictionary/given
→ dunchee: -> given3 .....      (note:有的字典是歸類於adj)