一全文逐句语法解读
本课是一段 幽默记叙文，重点是 过去进行时（was going / were having / was doing）与 过去完成时（had already swallowed）。
¶ 1 · 过去进行时（句 1、4、8）
| 句子 | 语法点 |
|---|
| When my husband was going into the dining room… | 过去进行 was/were + 现在分词 |
| While we were having breakfast… | While 引导的时间状语从句常用过去进行时 |
| when I was doing the housework | 表过去某一时刻正在进行的动作 |
¶ 2 · 过去完成时（句 7）
| 句子 | 语法点 |
|---|
| Tommy had already swallowed them! | had + 过去分词，表“过去的过去” |
| Tommy had already swallowed them! | already 置于 had 与过去分词之间 |
| it was too late | 主句用一般过去时，从句用过去完成时形成先后对照 |
¶ 3 · 与现在完成时并用（句 11）
| 句子 | 语法点 |
|---|
| Tommy's been to the toilet three times this morning. | 现在完成时 + this morning，表延续到现在的结果 |
| I haven't had any change yet! | yet 用于否定句，表“还没” |
| 'I don't know,' I answered. | 引号内用直接引语，句末标点在引号之内 |
二固定搭配与重点词组
| 短语 | 用法与例句 |
|---|
| dining room | 餐厅。 |
| drop coins on the floor | 把硬币掉在地板上。 |
| look for | 寻找。looked for them。 |
| do the housework | 做家务。 |
| on the floor | 在地板上。 |
| have any change | 有任何变化。此处 change 意为“变化”。 |
三语法核心总结
- 过去进行时 = was/were + 现在分词，表过去某时正在进行的动作。
- 过去完成时 = had + 过去分词，表“过去的过去”。
- 本课句式 When / While + 过去进行时，主句用一般过去时，是记叙文的常用搭配。
- 本课生词 6 个全部嵌入课文句子，无遗漏。