| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pers pn] [vb infin] | 2679 |
|
| 2 | do [pers pn] [adv] [vb infin] | 2587 |
|
| 3 | why do [pers pn] [adv] | 125 |
|
