| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] it be [prep] | 646 |
|
| 2 | [noun sg] must be [prep] | 327 |
|
| 3 | it must be [prep] | 189 |
|
| 4 | [noun sg] it must be | 149 |
|
