| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been waiting for [adj] | 13 |
|
| 2 | [vb past] been waiting for [det] | 11 |
|
| 3 | [vb past] been waiting for this | 6 |
|
| 4 | [vb past] been waiting for this | 6 |
|
