| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb mod] be require to | 25 |
|
| 2 | [noun] [vb mod] require to [be] | 21 |
|
| 3 | [vb mod] be require to [be] | 17 |
|
| 4 | [noun] [vb mod] be to [be] | 8 |
|
