| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] shall not be required | 8 |
|
| 2 | [noun sg] shall not be required | 7 |
|
| 3 | shall not be required [to-vb] | 7 |
|
| 4 | shall not be required [verb] | 7 |
|
