| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [pron] [adv] | 5349 |
|
| 2 | [is] why [pron] | 3203 |
|
| 3 | why [pron] [adv] | 288 |
|
| 4 | [is] why [adv] | 81 |
|
