| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] must be [adv] [adj] | 9 |
|
| 2 | [Wh det] must be [adv] [adj] | 9 |
|
| 3 | [Wh det] must [be] [adv] [adj] | 9 |
|
| 4 | [Wh det] must [be] [adv] [adj] | 9 |
|
| 5 | [Wh det] must [be] [adv] [adj] | 9 |
|
| 6 | which must [be] [adv] [adj] | 6 |
|
