| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [adv] [prep] | 370 |
|
| 2 | that had been [v-ing] [prep] | 57 |
|
| 3 | that had been [v-ing] [adv] | 17 |
|
| 4 | that had been [adv] [prep] | 15 |
|
