| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have never [vb pp] of | 19 |
|
| 2 | who have never [vb pp] of | 19 |
|
| 3 | who have never heard of | 18 |
|
| 4 | who had never [vb pp] of | 11 |
|
| 5 | who have never [vb pp] of | 5 |
|
