| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pers pn] tell | 147 |
|
| 2 | why do [not/n't] you tell | 132 |
|
| 3 | why did [not/n't] [pers pn] tell | 121 |
|
| 4 | why do [not/n't] [pers pn] tell | 26 |
|
| 5 | why do [not/n't] he tell | 7 |
|
