| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be seen | 752 |
|
| 2 | [adv] [not/n't] be | 448 |
|
| 3 | [not/n't] be seen | 297 |
|
| 4 | [adv] [not/n't] seen | 24 |
|
