| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been searching for | 26 |
|
| 2 | [vb past] been searching for | 12 |
|
| 3 | had been searching for | 10 |
|
| 4 | [vb base] been searching for | 7 |
|
| 5 | have been searching for | 5 |
|
| 6 | [vb -s] been searching for | 5 |
|
| 7 | has been searching for | 5 |
|
