| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb base] not [pers pn] [verb] | 1319 |
|
| 2 | why [verb] not [pers pn] leave | 28 |
|
| 3 | [adv] [vb base] not [pers pn] leave | 20 |
|
| 4 | why [vb base] not [pers pn] leave | 19 |
|
| 5 | [Wh adv] [vb base] not [pers pn] leave | 19 |
|
| 6 | why [vb base] [adv] [pers pn] leave | 19 |
|
| 7 | why [vb base] not [pron] leave | 19 |
|
