| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must have be | 923 |
|
| 2 | [conj] [noun] must be | 702 |
|
| 3 | [conj] [noun] must have | 197 |
|
| 4 | [conj] must have be | 88 |
|
