| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [v-ing] [prep] this | 23 |
|
| 2 | [vb past] been [v-ing] [prep] this | 23 |
|
| 3 | had been [v-ing] [prep] this | 14 |
|
| 4 | 'd been [v-ing] [prep] this | 9 |
|
| 5 | [vb past] been [v-ing] for this | 8 |
|
| 6 | [vb past] been [v-ing] for this | 8 |
|
| 7 | [vb past] been waiting [prep] this | 6 |
|
