一全文逐句语法解读
本课是「妈妈吩咐女儿打扫卧室」的祈使句密集课,语言点集中在 祈使句、must 表义务与make the bed / dust / sweep 等动词短语。
¶ 1 · 进门与关窗(句 1-3)
| 句子 | 语法点 |
| Come in, Amy. | 祈使句 动词原形开头,主语 you 省略 · come in 是固定短语,意为「进来」 |
| Shut the door, please. | 祈使句 + please 表示客气 · shut = close |
| This bedroom's very untidy. | bedroom's = bedroom is · untidy 是 tidy 加否定前缀 un- |
¶ 2 · 询问该做什么(句 4)
| 句子 | 语法点 |
| What must I do, Mrs. Jones? | must 情态动词,表「必须」· must 后接动词原形,疑问句把 must 提到主语前 |
¶ 3 · 一连串吩咐(句 5-9)
| 句子 | 语法点 |
| Open the window and air the room. | 祈使句用 and 连接两个动作 · air 作动词意为「使…通风」 |
| Then put these clothes in the wardrobe. | put … in … 把…放进… · clothes 永远是复数形式 |
| Then make the bed. | make the bed 是固定短语,意为「整理床铺」,不能逐字理解 |
| Dust the dressing table. | dust 作动词意为「掸掉灰尘」· dressing table 指梳妆台 |
| Then sweep the floor. | sweep the floor 意为「扫地」· then 串起一连串先后动作 |
二固定搭配与重点词组
| 短语 | 用法与例句 |
| Come in. / Sit down. | 祈使句:动词原形开头,可加 please 表客气。 |
| make the bed | 整理床铺(固定搭配,不能逐字理解)。 |
| put … in/on … | 把某物放进/放到某处。 |
| What must I do? | 询问「我该做什么?」must 表义务、必须。 |
三语法核心总结
动词短语
make the bed / dust the dressing table / sweep the floor
- 祈使句加 please 更客气:Shut the door, please.;please 放句末时前面加逗号。
- must 无人称变化:I must / You must / He must,一律 must + 动词原形,不加 -s。
- clothes 永远复数:these clothes(✓)/this clothes(✗);单件衣服说 a piece of clothing。