| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] to the [noun] | 458 |
|
| 2 | should be [vb pp] to the [noun] | 451 |
|
| 3 | [modal v] be referred to the [noun] | 38 |
|
| 4 | should be referred to [art] [noun] | 19 |
|
| 5 | should be referred to [art] [noun] | 19 |
|
| 6 | should [be] referred to the [noun] | 13 |
|
| 7 | should be referred [prep] the [noun] | 13 |
|
| 8 | should be referred to the [noun] | 13 |
|
| 9 | should be referred [prep] the [noun] | 13 |
|
| 10 | should be referred to the [noun] | 13 |
|
| 11 | should be referred to the [noun] | 13 |
|
| 12 | should [be] referred to the [noun] | 13 |
|
| 13 | should be refer to the [noun] | 13 |
|
