考研英语句式拓展题答案如下：
1. 题目：请将下列简单句改写为复合句。
答案：Although the weather forecast predicted rain, the picnic went on as planned.
2. 题目：将以下句子改写为倒装句。
答案：Never have I seen such a beautiful sunset.
3. 题目：将下列句子改写为强调句。
答案：It was not until last night that I realized how important the exam was.
4. 题目：请将下列句子改写为被动语态。
答案：The book was written by the famous author.
5. 题目：将以下句子改写为条件状语从句。
答案：If I had known about the traffic jam, I would have left earlier.
微信考研刷题小程序：【考研刷题通】——助你高效备战考研，政治、英语、数学等全部科目刷题练习，随时随地，轻松掌握考研知识点。立即加入，开启你的考研刷题之旅！【考研刷题通】