14.6 as, though 引導(dǎo)的倒裝句
?
  as / though引導(dǎo)的讓步從句必須將表語或狀語提前 (形容詞, 副詞, 分詞, 實(shí)義動(dòng)詞提前)。

注意:
    1) 句首名詞不能帶任何冠詞。
    2) 句首是實(shí)義動(dòng)詞, 其他助動(dòng)詞放在主語后。如果實(shí)義動(dòng)詞有賓語和狀語,  隨實(shí)義動(dòng)詞一起放在主語之前。
   Try hard as he will, he never seems able to do the work satisfactorily.

注意:
  讓步狀語從句中,有though,although時(shí),后面的主句不能有but,但是 though 和yet可連用。