A2
S + was / were + V-ing
过去进行时
讲解
用于过去某一时刻正在进行的事。构成与现在进行时相同，但 to be 用过去式：I/he/she/it 用 was，you/we/they 用 were。 常见陷阱：这种形式不能用 did：Did you were waiting? ✗, Were you waiting? ✓。
例句
I was watching TV at nine.
九点的时候我在看电视。
They were waiting outside.
他们当时在外面等着。
She was not sleeping.
她当时没在睡觉。
What were you doing?
你当时在做什么？
练习
通过选择题测试你的掌握程度
高效学习“S + was / were + V-ing”
语法点“S + was / were + V-ing”（过去进行时）是 CEFR 2 级别的重要结构之一。要熟练运用这个结构，你需要弄清楚它的使用语境，并经常练习。
学习小贴士：把例句大声朗读多遍，培养自然的语感反应。然后试着结合自己的生活情境造句。用发音按钮听标准发音并跟着练习。
你也可以查看完整课程“”，更深入地了解相关的语法和词汇。