| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did n't understand [adj] | 27 |
|
| 2 | n't understand [prep] [adj] | 24 |
|
| 3 | did n't [prep] [adj] | 23 |
|
| 4 | did n't understand [prep] | 11 |
|
