| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pron] [adv] [vb infin] | 2030 |
|
| 2 | why [vb base] [pron] [vb infin] | 1344 |
|
| 3 | why [vb base] [pron] [adv] | 141 |
|
| 4 | why [vb base] [adv] [vb infin] | 15 |
|
