| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] had never heard of | 10 |
|
| 2 | [Wh pn] had never heard of | 10 |
|
| 3 | [Wh pn] had never heard [prep] | 10 |
|
| 4 | who had never heard [prep] | 10 |
|
