| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it is about [pers pn] | 6 |
|
| 2 | what it is about [pers pn] | 6 |
|
| 3 | what it is about [pers pn] | 6 |
|
| 4 | [pron] it is about [pers pn] | 6 |
|
