| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be require for a [adj] | 16 |
|
| 2 | [be] required for a [adj] | 16 |
|
| 3 | is require for a [adj] | 6 |
|
| 4 | [is] require for a [adj] | 6 |
|
