| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] for | 6384 |
|
| 2 | been [v-ing] for | 1734 |
|
| 3 | be searching for | 195 |
|
| 4 | [be] searching for | 195 |
|
| 5 | been search for | 40 |
|
| 6 | been searching [prep] | 39 |
|
| 7 | [been] searching for | 37 |
|
