| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] for [adj] time | 22 |
|
| 2 | had been [v-ing] for [det] time | 22 |
|
| 3 | had been [v-ing] for some time | 22 |
|
| 4 | had been [v-ing] for some time | 22 |
|
