| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [v-ing] the [noun] | 286 |
|
| 2 | [been] [v-ing] the [noun] for | 88 |
|
| 3 | had [been] [v-ing] [noun] for | 46 |
|
| 4 | had [been] the [noun] for | 18 |
|
