| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh pn] [verb] been trying | 11 |
|
| 2 | [noun pl] [Wh pn] [verb] been trying | 5 |
|
| 3 | [noun sg] [Wh pn] [verb] been trying | 5 |
|
| 4 | [Wh pn] [verb] been trying [to-vb] | 17 |
|
| 5 | [Wh pn] [verb] been trying [verb] | 17 |
|
