| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been waiting for | 236 |
|
| 2 | had been waiting for | 82 |
|
| 3 | 've been waiting for | 51 |
|
| 4 | have been waiting for | 41 |
|
| 5 | has been waiting for | 21 |
|
| 6 | 'd been waiting for | 18 |
|
| 7 | 's been waiting for | 15 |
|
| 8 | have been waiting for | 7 |
|
