| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be required to be | 17 |
|
| 2 | [vb mod] be required to be | 17 |
|
| 3 | will be required to be | 5 |
|
| 4 | will be required to be | 5 |
|
| 5 | be required to be [verb] | 17 |
|
| 6 | be required to be [vb pp] | 17 |
|
| 7 | be required to be [adj] | 5 |
|
| 8 | be required to be [adj] | 5 |
|
