| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] in a | 82 |
|
| 2 | 'd been [v-ing] in | 43 |
|
| 3 | 'd been [v-ing] a | 38 |
|
| 4 | 'd been in a | 9 |
|
