| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [noun] | 490 |
|
| 2 | had been [v-ing] from | 61 |
|
| 3 | been [v-ing] from [noun] | 45 |
|
| 4 | had been from [noun] | 6 |
|
