1. ... following ancient custom，the young women gathered to dance every holiday．

点拨：following ancient custom是现在分词作原因状语，表名大家聚集举办舞会的原因。

2. For this May- Day dance，all wore white dresses．

点拨：文中为强调这个节目，把状语for this May-Day提到句首。
3. Durbeyfield lay back in it, singing，...

点拨：singing是现在分词作伴随状况状语。德北躺在马车里的时候，伴随的状况是在唱歌，两个动作同时发生。

4. The girl with the ribbon，who was called Tess，turned red and said quickly to her friends...

点拨：who was called Tess是一个非限定性定语从句，修饰前面的先行词girl，它补充说明girl的名字。这个非限定性定语从句属于分隔式定语从句，是为了平衡句子结构，因为它大大长于同样修饰girl的定语with the ribbon。

5. Three young strangers，who were passing by，also stopped to look．

点拨：who were passing by是非限定性定语从句，修饰前面的先行词strangers，补充说明strangers的行为，它可以位于句子的谓语前。

7. He looked back from the road， and could still see her in her white dress，standing modestly apart from the dancers．

点拨：standing modestly是现在分词短语做宾语her的补足语，in her white dress也是宾语her的补足语，那么如果这2者同时做her的补足语的话，介词短语位于现在分词短语前面。

8. He wished he had danced with her．He wished he had asked her name．

点拨：这2个句子都使用了虚拟语气。主句中都有wish这个词，wish是过去式，那么其后的从句中的谓语就要用过去完成时，第一句是had danced，第二句是had asked。

9. He hurried on to join his brothers．

点拨：on在此处是副词，意思是“继续”。