| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] why [pers pn] need | 7 |
|
| 2 | [to-vb] why [pers pn] need [to-vb] | 5 |
|
| 3 | [to-vb] why [pers pn] need [verb] | 5 |
|
