| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] been looking for | 13 |
|
| 2 | [vb mod] [vb infin] been look for | 13 |
|
| 3 | [vb mod] have been look for | 13 |
|
| 4 | [vb mod] have been look for | 13 |
|
| 5 | must [verb] been look for | 5 |
|
| 6 | would [verb] been look for | 5 |
|
