| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they had been [v-ing] [prep] the | 28 |
|
| 2 | they had been [v-ing] [prep] the | 27 |
|
| 3 | they had been [v-ing] in the | 8 |
|
| 4 | they had been [v-ing] in the | 8 |
|
| 5 | they had been [v-ing] on the | 6 |
|
| 6 | they had been [v-ing] on the | 6 |
|
| 7 | they had been [v-ing] for the | 5 |
|
| 8 | they had been [v-ing] for the | 5 |
|
