| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had been [v-ing] the [noun] | 32 |
|
| 2 | [noun pl] had [been] [v-ing] the [noun sg] | 27 |
|
| 3 | [noun pl] had [been] [v-ing] the [noun pl] | 5 |
|
