| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been [v-ing] | 2088 |
|
| 2 | [noun] [coord] had been | 389 |
|
| 3 | [coord] had been [v-ing] | 77 |
|
| 4 | [noun] [coord] been [v-ing] | 9 |
|
