| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [verb] [prep] | 12596 |
|
| 2 | been [verb] [prep] an | 1101 |
|
| 3 | [vb base] [verb] [prep] an | 339 |
|
| 4 | [vb base] been [verb] an | 51 |
|
| 5 | [vb base] been [prep] an | 14 |
|
