| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] [pron] [vb infin] [adj] | 147 |
|
| 2 | [vb past] [pron] [vb infin] at [adj] | 40 |
|
| 3 | why [vb past] [pron] [vb infin] at | 11 |
|
