| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] waiting for [det] | 8 |
|
| 2 | had been waiting for [det] | 8 |
|
| 3 | had [be] waiting for [det] | 8 |
|
| 4 | had be waiting for [det] | 8 |
|
| 5 | had [be] waiting for this | 5 |
|
