| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] be [num] [noun] | 81 |
|
| 2 | it must [verb] be [noun] | 41 |
|
| 3 | must [verb] be [num] [noun] | 26 |
|
| 4 | it must [verb] be [num] | 26 |
|
| 5 | it must be [num] [noun] | 20 |
|
