| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] n't [been] | 842 |
|
| 2 | n't [been] for | 149 |
|
| 3 | [vb base] [been] for | 95 |
|
| 4 | [vb base] n't for | 22 |
|
