| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] had been [v-ing] [prep] | 257 |
|
| 2 | [noun sg] that had been [v-ing] | 82 |
|
| 3 | that had been [v-ing] [prep] | 57 |
|
| 4 | [noun sg] that had been [prep] | 32 |
|
