| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [pron] not [vb infin] [prep] | 17 |
|
| 2 | why [verb] [pron] not [vb infin] [prep] | 17 |
|
| 3 | why [verb] [pron] [adv] [vb infin] to | 15 |
|
| 4 | [adv] [verb] [pron] not [vb infin] to | 7 |
|
| 5 | why [verb] [pron] not [verb] to | 6 |
|
| 6 | why [verb] [pron] not [vb infin] to | 5 |
|
| 7 | why [verb] [pron] not [vb infin] to | 5 |
|
| 8 | why [verb] [pron] not [vb infin] to | 5 |
|
| 9 | [Wh adv] [verb] [pron] not [vb infin] to | 5 |
|
| 10 | why [verb] [pron] [not/n't] [vb infin] to | 5 |
|
