🎯 过去进行时学习动画
Past Continuous Tense - Interactive Learning Experience
📚 第一阶段：语法规则学习
🏗️ 基本结构
was/were + 动词-ing
肯定句：I was reading.
否定句：I was not reading.
疑问句：Was I reading?
📖 主要用法
表示过去某一时刻或某段时间
正在进行的动作
强调动作的持续性和进行性
⏰ 时间状语
at 8 o'clock yesterday
at this time last night
when/while + 过去时
🎬 第二阶段：情境例句学习
I was reading a book at 8 o'clock yesterday evening.
昨天晚上8点我正在看书。
They were playing football when it started raining.
他们正在踢足球时开始下雨了。
She was cooking while her brother was watching TV.
她在做饭的时候，她弟弟在看电视。
We were having an English class when the fire alarm rang.
火警响起时我们正在上英语课。
🎯 第三阶段：选择题挑战
选择正确的过去进行时形式：
🧩 第四阶段：拖拽组句练习
将下面的单词拖拽到正确位置，组成完整的过去进行时句子：
拖拽单词到这里组成句子