| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why it [vb mod] [not/n't] [vb infin] | 35 |
|
| 2 | why it [vb mod] [not/n't] [vb infin] | 35 |
|
| 3 | why it [vb mod] n't [vb infin] | 18 |
|
| 4 | why it [vb mod] not [vb infin] | 17 |
|
| 5 | why it should [not/n't] [vb infin] | 17 |
|
| 6 | why it wo [not/n't] [vb infin] | 7 |
|
| 7 | why it [vb mod] [not/n't] have | 5 |
|
| 8 | why it could [not/n't] [vb infin] | 5 |
|
| 9 | why it [vb mod] [not/n't] work | 5 |
|
