| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do not [pers pn] [vb infin] | 1944 |
|
| 2 | so why do [pers pn] [vb infin] | 116 |
|
| 3 | so why do not [pers pn] | 91 |
|
| 4 | so do not [pers pn] [vb infin] | 18 |
|
