| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be required for [art] [noun] | 116 |
|
| 2 | [conj] be for [art] [noun] | 13 |
|
| 3 | [conj] be required for [art] | 13 |
|
| 4 | [conj] be required for [noun] | 10 |
|
