| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] did n't understand [adj] | 20 |
|
| 2 | [pron] did n't at [adj] | 11 |
|
| 3 | did n't understand at [adj] | 8 |
|
| 4 | [pron] did n't understand at | 7 |
|
