| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [vb past] been searching [prep] | 5 |
|
| 2 | he [vb past] been search [prep] | 5 |
|
| 3 | he [vb past] been search for | 5 |
|
| 4 | he had been search [prep] | 5 |
|
