| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be the [noun] [prep] | 4654 |
|
| 2 | must be the [noun] [prep] | 192 |
|
| 3 | it must be the [noun] | 83 |
|
| 4 | it must be [noun] [prep] | 16 |
|
