| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have ever [vb pp] | 93 |
|
| 2 | who has ever [vb pp] | 62 |
|
| 3 | who had ever [vb pp] | 16 |
|
| 4 | who have ever [vb pp] | 11 |
|
| 5 | who have ever tried | 8 |
|
| 6 | who have ever worked | 5 |
|
