一、so + 助动词 + 形容词/副词 + that 结果状语从句
1. The task was so difficult that we couldn't finish it on time.
(任务太难了,以至于我们无法按时完成。)
2. The weather was so cold that we stayed indoors all day.
(天气太冷了,以至于我们整天待在室内。)
3. The song was so beautiful that I listened to it for an hour.
(这首歌太美妙了,以至于我听了整整一个小时。)
二、so + 助动词 + 形容词 + a/an + 可数名词单数 + that 结果状语从句
1. The movie was so interesting that I watched it twice.
(这部电影太有趣了,以至于我看了两遍。)
2. The problem was so complex that we needed help.
(这个问题太复杂了,以至于我们需要帮助。)
3. The cake was so delicious that I ate the whole thing.
(蛋糕太好吃了,以至于我吃完了整块。)
三、so + 助动词 + 形容词 + 可数名词复数/不可数名词 + that 结果状语从句
1. The students were so bored that they fell asleep during class.
(学生们太无聊了,以至于在课堂上睡着了。)
2. The noise was so loud that I couldn't concentrate.
(噪音太大,以至于我无法集中注意力。)
3. The water was so clean that we drank it straight from the river.
(水太干净了,以至于我们直接从河里喝。)
四、so + 助动词 + 形容词 + that 引导结果状语从句的变形结构
1. The letter was so important that I couldn't wait to read it.
(这封信太重要了,以至于我迫不及待地想读。)
2. The news was so shocking that I couldn't believe it.
(这个消息太令人震惊了,以至于我无法相信。)
注意事项
当so后接形容词或副词时,that从句需用完整句子;
若so后接名词,需用such(如:so beautiful a girl);
该结构可替换部分"too...to"结构(如:He is too young to... → He is so young that...)。以上示例覆盖了该结构在高考英语中的常见用法,建议结合语境灵活运用。