| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [not/n't] [pers pn] [verb] | 601 |
|
| 2 | why [verb] [not/n't] [pers pn] take | 90 |
|
| 3 | why do [not/n't] [pers pn] take | 86 |
|
| 4 | why did [not/n't] [pron] take | 12 |
|
| 5 | [adv] did [not/n't] [pers pn] take | 12 |
|
| 6 | why [vb past] [not/n't] [pers pn] take | 12 |
|
| 7 | why did [adv] [pers pn] take | 11 |
|
