| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] it be [noun] | 461 |
|
| 2 | [noun sg] it must be | 149 |
|
| 3 | it must be [noun] | 147 |
|
| 4 | [noun sg] must be [noun] | 69 |
|
