| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [conj] had been | 991 |
|
| 2 | [noun sg] had been [v-ing] | 729 |
|
| 3 | [conj] had been [v-ing] | 209 |
|
| 4 | [noun sg] [conj] been [v-ing] | 9 |
|
