| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [prep] [art] age | 7 |
|
| 2 | [Wh pn] [prep] the age | 7 |
|
| 3 | [Wh pn] [prep] [art] age | 7 |
|
| 4 | [Wh pn] at [art] age | 6 |
|
