| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pers pn] not [vb infin] | 124 |
|
| 2 | but why do [pers pn] [vb infin] | 102 |
|
| 3 | but do [pers pn] not [vb infin] | 11 |
|
| 4 | but why do [pers pn] not | 5 |
|
