| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [num] [noun] | 339 |
|
| 2 | must be [verb] [noun] | 122 |
|
| 3 | must [verb] [num] [noun] | 117 |
|
| 4 | must be [num] [noun] | 62 |
|
| 5 | must be [verb] [num] | 29 |
|
