| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] [not/n't] been | 190 |
|
| 2 | they had [not/n't] be | 188 |
|
| 3 | they [vb past] not be | 132 |
|
| 4 | they [vb past] n't be | 61 |
|
