| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been in a | 280 |
|
| 2 | had been in a | 107 |
|
| 3 | have been in a | 64 |
|
| 4 | has been in a | 44 |
|
| 5 | have been in an | 26 |
|
| 6 | have been in a | 25 |
|
| 7 | 've been in a | 22 |
|
| 8 | 's been in a | 21 |
|
| 9 | 'd been in a | 11 |
|
| 10 | to have been in a | 9 |
|
