| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [been] look | 23 |
|
| 2 | who [verb] [been] look | 23 |
|
| 3 | who [verb] been look | 23 |
|
| 4 | who [verb] [been] looking | 22 |
|
| 5 | who [vb past] [been] look | 13 |
|
| 6 | who had [been] look | 11 |
|
| 7 | who [vb -s] [been] look | 6 |
|
