| 知识点（KP） | 句酷综合英语 | 中国学生作文 |
| amn. + when | 11.06 | 25.91 |
| von. + when | 1.78 | 0 |
| when | 28160.70 | 45045.86 |
| when/avp | 25374.37 | 42079.08 |
| 副词 when | 26283.99 | 43413.48 |
| when/c | 1826.35 | 1593.51 |
| when/d | 26322.97 | 43426.44 |
| when/lex | 28161.03 | 45045.86 |
| when/n | 41.67 | 103.64 |
| 名词 when | 13.10 | 38.87 |
| when/pos | 28190.98 | 45123.59 |
| when/conjp | 0 | 375.71 |
| when | 0 | 375.71 |
| when/ske | 0 | 12.96 |