| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [noun] must be | 1049 |
|
| 2 | [noun] must be [prep] | 502 |
|
| 3 | [det] must be [prep] | 29 |
|
| 4 | [det] [noun] be [prep] | 25 |
|
| 5 | [det] [noun] must [prep] | 18 |
|
