| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [v-ing] [prep] some | 47 |
|
| 2 | had been [v-ing] [prep] some | 45 |
|
| 3 | [vb past] been [v-ing] for some | 42 |
|
| 4 | [vb past] been [v-ing] for some | 42 |
|
