| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] did n't understand [prep] [adj] | 8 |
|
| 2 | [pers pn] did n't understand [prep] [adj] | 8 |
|
| 3 | [pron] did n't understand [prep] [adj] | 8 |
|
| 4 | [pron] did n't understand at [adj] | 7 |
|
| 5 | [pron] did n't understand at [adj] | 7 |
|
| 6 | [pron] did n't understand [prep] [det] | 6 |
|
