| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be required [to-vb] for [art] | 14 |
|
| 2 | [be] required [to-vb] for [art] | 14 |
|
| 3 | required [to-vb] [noun] for [art] | 10 |
|
| 4 | required [to-vb] [noun sg] for [art] | 6 |
|
| 5 | required [to-vb] for [art] [noun sg] | 12 |
|
| 6 | required [to-vb] for [art] [noun] | 12 |
|
| 7 | required [to-vb] for [art] [adj] | 8 |
|
| 8 | required [to-vb] for [art] [adj] | 7 |
|
