| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pers pn] [vb infin] | 1946 |
|
| 2 | do [not/n't] [pers pn] [vb infin] and | 83 |
|
| 3 | why do [pers pn] [vb infin] and | 9 |
|
| 4 | why do [not/n't] [pers pn] and | 5 |
|
