| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [not/n't] been | 2336 |
|
| 2 | [vb base] been to | 348 |
|
| 3 | [vb base] [not/n't] to | 181 |
|
| 4 | [not/n't] been to | 127 |
|
