| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [adv] [pers pn] [vb infin] | 1946 |
|
| 2 | do [adv] [pers pn] [vb infin] [pers pn] | 1322 |
|
| 3 | why do [pers pn] [vb infin] [pers pn] | 597 |
|
