| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it [is] not possible [verb] | 7 |
|
| 2 | [Wh det] [pers pn] is not possible [verb] | 7 |
|
| 3 | [Wh det] [pers pn] [is] not possible [to-vb] | 7 |
|
| 4 | which [pers pn] [is] not possible [verb] | 6 |
|
