| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not be [adv] [conj] | 251 |
|
| 2 | not be [adv] before | 77 |
|
| 3 | [adv] be [adv] before | 75 |
|
| 4 | not [be] [adv] before | 75 |
|
