1. That's what young Mr d’Urberville is trying to do！

點(diǎn)撥：what young Mr d’Urberville is trying to do是表語從句。

2. Persuaded by her mother and the children，Tess finally agreed to go．

點(diǎn)撥：Persuaded by her mother and the children是過去分詞短語做時(shí)間狀語，可以改為時(shí)間狀語從句，即：After she was Persuaded by her mother and the children，Tess finally agreed to go。
句中的非謂語動(dòng)詞persuade與主語是被動(dòng)關(guān)系，是說苔絲被家人勸說，所以用過分詞短語。

3. Then the day came when Tess，wearing her best Sunday clothes on her mother's orders，said goodbye to her family．

點(diǎn)撥1：when Tess，wearing her best Sunday clothes on her mother's orders，said goodbye to her family是這個(gè)句子的定語成分，是一個(gè)定語從句，修飾先行詞day。Day表示時(shí)間，在定語從句中做時(shí)間狀語，用關(guān)系副詞when來引導(dǎo)。

這個(gè)定語從句屬于分隔式定語從句，文中定語從句“when Tess，wearing her best Sunday clothes on her mother's orders，said goodbye to her family”大大地長于謂語“came”，所以將定語從句放置于句末，這樣使得句子不顯得頭重腳輕。

點(diǎn)撥2：在定語從句“when Tess，wearing her best Sunday clothes on her mother's orders，said goodbye to her family”中，“wearing her best Sunday clothes on her mother's orders”是現(xiàn)在分詞短語做定語，修飾Tess。