| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [adv] [prep] | 370 |
|
| 2 | been [v-ing] [adv] [prep] [noun pl] | 112 |
|
| 3 | had been [v-ing] [prep] [noun pl] | 83 |
|
| 4 | had been [adv] [prep] [noun pl] | 22 |
|
| 5 | had been [v-ing] [adv] [noun pl] | 13 |
|
