He wanted to take no risk,however small.
既然你都知道是省略了it is了,為什么一定要考慮是不是讓步狀語從句呢.
要是非推敲的話,應(yīng)該是,因?yàn)閔owever small算是省略句,省略句也是句子,既然是句子作的狀語,那就是狀語從句
I'll start in a few minutes,___dark it may be.
確實(shí)應(yīng)該是however
as在句首的時(shí)候,肯定不是引導(dǎo)的讓步狀語從句,理由是
as引導(dǎo)的讓步狀語從句,要求必須倒裝
though隨意,although絕對不可以倒.
1.表語+ as+ 主語+謂語（當(dāng)表語時(shí)單數(shù)名詞時(shí),省略不定冠詞）
Child / young as he is ,he has known a lot.
2.副詞（通常是much）+ as+ 主語+謂語
Well as he does in study,he is not arrogant.雖然他功課很好,卻一點(diǎn)都不傲慢.
Much as she loved him (=Though she loved him very much),he deserted her in the long run.
3.動詞（try）+ as+ 主語+謂語
Try as I might,I cannot lift it
雖然我試,但還是搬不動.