| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [prep] [adj] | 304 |
|
| 2 | been [v-ing] [prep] [adj] year | 158 |
|
| 3 | had been [v-ing] [prep] year | 18 |
|
| 4 | had been [prep] [adj] year | 14 |
|
