| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [prep] [art] | 721 |
|
| 2 | been [v-ing] [adv] [prep] [art] | 440 |
|
| 3 | had been [v-ing] [adv] [prep] | 370 |
|
| 4 | had been [adv] [prep] [art] | 160 |
|
| 5 | had been [v-ing] [adv] [art] | 42 |
|
