| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pers pn] [vb infin] | 2679 |
|
| 2 | [no cls] do [pers pn] [vb infin] | 408 |
|
| 3 | [no cls] why do [pers pn] | 18 |
|
