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