as / though引导的让步从句必须将表语或状语提前 (形容词, 副词, 分词, 实义动词提前)。
注意: 1) 句首名词不能带任何冠词。来源:考试大 2) 句首是实义动词, 其他助动词放在主语后。如果实义动词有宾语和状语, 随实义动词一起放在主语之前。来源:考试大 Try hard as he will, he never seems able to do the work satisfactorily.
注意: 让步状语从句中,有though,although时,后面的主句不能有but,但是 though 和yet可连用。