[請益] 句型問題

看板Eng-Class (英文板)作者 (慈悲渡苦難)時間14年前 (2010/03/01 12:45), 編輯推噓0(003)
留言3則, 1人參與, 最新討論串1/1
Among pure pharmaceuticals,the earliest to be isolated fromnatural sources were the alkaloids. 從to be到sources那句感覺怪怪地 可以有人告訴我是怎樣的句型嗎 比如省略句或是.... 多謝幫忙 另外這樣的句型適用時機如何 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 70.241.29.240

03/01 13:16, , 1F
the earliest (pharmaceuticals) / to be isolated from
03/01 13:16, 1F

03/01 13:17, , 2F
the natural sources / were the alkaloids.
03/01 13:17, 2F

03/01 13:17, , 3F
to be isolated from the naturual sources這邊是主詞補語
03/01 13:17, 3F
文章代碼(AID): #1BYqPemU (Eng-Class)
文章代碼(AID): #1BYqPemU (Eng-Class)