| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who 've [verb] | 517 |
|
| 2 | who 've [vb pp] | 514 |
|
| 3 | [pron] 've worked | 326 |
|
| 4 | who have worked | 305 |
|
| 5 | who [verb] worked | 305 |
|
| 6 | who [vb base] worked | 93 |
|
| 7 | who 've work | 19 |
|
