| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] must [be] [verb] to | 357 |
|
| 2 | [noun sg] must [be] [vb pp] to | 346 |
|
| 3 | [noun sg] [vb mod] [be] referred to | 87 |
|
| 4 | [noun sg] [modal v] [be] referred to | 87 |
|
| 5 | [noun] must [be] referred to | 10 |
|
| 6 | [noun sg] must [be] referred [prep] | 9 |
|
| 7 | [noun sg] must [be] refer to | 9 |
|
| 8 | [noun sg] must [be] referred [prep] | 9 |
|
| 9 | [noun sg] must [be] referred to | 7 |
|
| 10 | [noun sg] must [be] referred to | 7 |
|
| 11 | [noun sg] must [be] referred to | 7 |
|
