一全文逐句语法解读
本课围绕 考试结果，重点是 形容词的比较（too difficult / easy enough）与 could / couldn't 表过去的能力，以及 反意疑问句（aren't they?）。
¶ 1 · could / couldn't 表过去的能力（句 9、11）
| 句子 | 语法点 |
|---|
| I could answer sixteen of the questions. | 过去能力 could 是 can 的过去式 |
| But I couldn't answer the rest. | 否定形式 couldn't + 动词原形 |
| I hope I haven't failed. | hope + 宾语从句，用完成时表对结果的担心 |
¶ 2 · 形容词与程度副词（句 4、6、12）
| 句子 | 语法点 |
|---|
| The questions were very easy. | very + 形容词原级，表程度 |
| weren't easy enough for me | enough 置于形容词之后；not + adj. + enough 表“不够……” |
| They were too difficult for me. | too + 形容词，表“太……（以致不能）” |
¶ 3 · 反意疑问句与日常表达（句 13、15、16）
| 句子 | 语法点 |
|---|
| French tests are awful, aren't they? | 前肯后否的反意疑问句，用于寻求认同 |
| I've got a low mark. | mark 指分数；low 指“低的” |
| Oh, cheer up! | cheer up 表“振作起来”，用于安慰。 |
二固定搭配与重点词组
| 短语 | 用法与例句 |
|---|
| pass in + 科目 | 某科及格。pass in English and Mathematics。 |
| not … enough | 不够……。weren't easy enough for me。 |
| too … for sb. | 对某人来说太……。too difficult for me。 |
| the rest | 其余的部分。 |
| cheer up | 振作起来。 |
| at the top of the paper | 在试卷的顶端。 |
三语法核心总结
- could / couldn't 是 can 的过去式，表过去的能力。
- enough 放在形容词之后（easy enough）；too 放在形容词之前（too difficult）。
- **否定副词 too** 与 not…enough 意思相近：too difficult for me ≈ not easy enough for me。
- 本课生词 17 个全部嵌入课文句子，无遗漏。