| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [prep] [adj] | 304 |
|
| 2 | been [v-ing] [prep] [adj] years | 154 |
|
| 3 | had been [v-ing] [prep] years | 18 |
|
| 4 | had been [prep] [adj] years | 13 |
|
