| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [be] | 50569 |
|
| 2 | [not/n't] be | 50561 |
|
| 3 | [adv] been | 37784 |
|
| 4 | [not/n't] [been] | 10066 |
|
