| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] for [noun pl] | 42 |
|
| 2 | been [v-ing] for many [noun pl] | 19 |
|
| 3 | had been for many [noun pl] | 8 |
|
| 4 | had been [v-ing] for many | 8 |
|
