1.当“so…that..”和“such…that…”结构中的so和such位于句首,句子用部分倒装 如： So clever a boy is he that he can work out such a problem in a short time. Such a lovely day is it that we want to go out for a picnic. 2.so表示“也”的时候,句子用倒装语序. He has learned to send e-mails.So have I.
