| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be the [noun] | 83 |
|
| 2 | it must be the [noun] | 83 |
|
| 3 | it must be the [noun] | 83 |
|
| 4 | it must be the [noun sg] | 73 |
|
| 5 | it must be the case | 11 |
|
| 6 | it must be the case | 11 |
|
| 7 | it must be the [noun pl] | 7 |
|
