| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] in the | 86 |
|
| 2 | they had been in the | 50 |
|
| 3 | they had been [v-ing] in | 21 |
|
| 4 | they had been [v-ing] the | 16 |
|
