| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] in | 1596 |
|
| 2 | [vb past] been in | 1596 |
|
| 3 | had [been] in | 1442 |
|
| 4 | 'd [been] in | 154 |
|
