| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] must be [adj] | 10 |
|
| 2 | [Wh det] [pers pn] must be [adj] | 7 |
|
| 3 | which [pron] must be [adj] | 7 |
|
| 4 | what [pron] must be [adj] | 5 |
|
