| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been in | 1442 |
|
| 2 | has been in | 815 |
|
| 3 | have been in | 568 |
|
| 4 | have been in | 568 |
|
| 5 | 've been in | 299 |
|
| 6 | 's been in | 196 |
|
| 7 | 'd been in | 154 |
|
| 8 | to have been in | 114 |
|
| 9 | having been in | 61 |
|
| 10 | had been in | 6 |
|
