| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] n't [pers pn] think [prep] | 16 |
|
| 2 | why [vb past] n't [pers pn] think of | 16 |
|
| 3 | why [vb past] n't [pers pn] think of | 16 |
|
| 4 | why [vb past] n't [pers pn] think [prep] | 16 |
|
