| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for | 5399 |
|
| 2 | have been [v-ing] for | 1564 |
|
| 3 | have been search for | 29 |
|
| 4 | have been searching [prep] | 28 |
|
| 5 | have be searching for | 26 |
|
| 6 | [verb] been searching for | 26 |
|
| 7 | have [be] searching for | 26 |
|
| 8 | have [been] searching for | 26 |
|
