| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [adv] [noun] had been [v-ing] | 6 |
|
| 2 | [noun sg] [Wh adv] [noun] had be [v-ing] | 5 |
|
| 3 | [noun sg] [adv] [noun prp] had be [v-ing] | 5 |
|
