| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb mod] [not/n't] | 5650 |
|
| 2 | [vb mod] [not/n't] understand | 1058 |
|
| 3 | [adv] [vb mod] understand | 21 |
|
| 4 | [adv] [not/n't] understand | 8 |
|
