| 分类 | 检索词及内容 | |
| 词汇 | 积极词汇 | “appreciat.*” |
| “thank.*” | ||
| please | ||
| pleasure | ||
| 情态动词 | can | |
| could | ||
| would | ||
| will | ||
| shall | ||
| should | ||
| may | ||
| might | ||
|
| 模糊词 | “seem.*” |
| perhaps | ||
| often | ||
| around | ||
| 第二人称代词 | you | |
| 句法 | 疑问句 | Could you… |
| Would you… | ||
| 条件句 | If you… | |