推 rogerliu84: do 代表的是 [grow fat] 這個 VP 05/02 17:24
→ rogerliu84: they (pigs which roam freely in open spaces) 05/02 17:24
→ rogerliu84: [grow fat] less quickly than 05/02 17:25
→ rogerliu84: pigs [which *are* raised in small, closed space] 05/02 17:25
→ rogerliu84: [do (= grow fat)] 05/02 17:26
→ rogerliu84: 因為 than 後接子句的主語太長,動詞的 pro-form *do* 05/02 17:27
→ rogerliu84: 再移位至主語之前 05/02 17:27
→ rogerliu84: do 也可以省略,變成名詞詞組(NP)之間互比 05/02 17:29
→ rogerliu84: 或者說是 than 從連接詞接子句,演變為介係詞接NP。 05/02 17:29
→ yimean: @r大,感謝解惑,原來他是倒裝句。 05/02 18:38
推 joinbee: 請教高手 為何if 跟 that 兩個連接詞可以放一起啊? 放一 06/19 17:02
→ joinbee: 起會有什麼效果? 06/19 17:03