| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | required [to-vb] [conj] the [noun sg] | 23 |
|
| 2 | required [to-vb] that the [noun] | 13 |
|
| 3 | required [to-vb] that the [noun] | 13 |
|
| 4 | required [to-vb] [that] the [noun] | 13 |
|
| 5 | required [to-vb] [subord] the [noun] | 8 |
|
| 6 | required to ensure [conj] the [noun] | 6 |
|
