| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been [v-ing] for | 186 |
|
| 2 | [noun] had [adv] been [v-ing] | 134 |
|
| 3 | had [adv] been [v-ing] for | 35 |
|
| 4 | [noun] had [adv] been for | 5 |
|
