| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be required [prep] be [adj] | 19 |
|
| 2 | [be] required [prep] be [adj] | 19 |
|
| 3 | be required [prep] be [adj] | 5 |
|
| 4 | [be] required [prep] be [adj] | 5 |
|
| 5 | required [verb] [prep] be [adj] | 5 |
|
| 6 | required [prep] be [art] [adj] | 5 |
|
| 7 | required [prep] be a [adj] | 5 |
|
| 8 | required [prep] be [art] [adj] | 5 |
|
| 9 | required [prep] be [adj] [prep] | 9 |
|
| 10 | required [prep] be [adj] [prep] | 9 |
|
